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102202012120120 = 235111912225121067
BaseRepresentation
bin10111001111001111000010…
…101000001011010000111000
3111101212102020221121100122121
4113033033002220023100320
5101343434210100320440
61001210542312331024
730345565064265613
oct2717170250132070
9441772227540577
10102202012120120
112a6236a2493850
12b5675270a3a74
1345047ba8283b3
141b34864ab517a
15bc37976ca34a
hex5cf3c2a0b438

102202012120120 has 64 divisors (see below), whose sum is σ = 264062615068800. Its totient is φ = 35208348670080.

The previous prime is 102202012120093. The next prime is 102202012120121. The reversal of 102202012120120 is 21021210202201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102202012120094 and 102202012120103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102202012120121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6112552174 + ... + 6112568893.

It is an arithmetic number, because the mean of its divisors is an integer number (4125978360450).

Almost surely, 2102202012120120 is an apocalyptic number.

102202012120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102202012120120 is an abundant number, since it is smaller than the sum of its proper divisors (161860602948680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102202012120120 is a wasteful number, since it uses less digits than its factorization.

102202012120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12225121108 (or 12225121104 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102202012120120 its reverse (21021210202201), we get a palindrome (123223222322321).

The spelling of 102202012120120 in words is "one hundred two trillion, two hundred two billion, twelve million, one hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 19 20 22 38 40 44 55 76 88 95 110 152 190 209 220 380 418 440 760 836 1045 1672 2090 4180 8360 12225121067 24450242134 48900484268 61125605335 97800968536 122251210670 134476331737 232277300273 244502421340 268952663474 464554600546 489004842680 537905326948 672381658685 929109201092 1075810653896 1161386501365 1344763317370 1858218402184 2322773002730 2555050303003 2689526634740 4645546005460 5110100606006 5379053269480 9291092010920 10220201212012 12775251515015 20440402424024 25550503030030 51101006060060 102202012120120