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102022221101212 = 22182691396111187
BaseRepresentation
bin10111001100100111100110…
…001111110111100010011100
3111101020020012000002021120101
4113030213212033313202130
5101333013002100214322
61000552210015030444
730326601513660046
oct2714474617674234
9441206160067511
10102022221101212
112a564421109215
12b53870b50b424
1344c0867293cc9
141b29c8a958a96
15bbdc73502327
hex5cc9e63f789c

102022221101212 has 12 divisors (see below), whose sum is σ = 178548659833320. Its totient is φ = 51008318291696.

The previous prime is 102022221101209. The next prime is 102022221101219. The reversal of 102022221101212 is 212101122220201.

It is a self number, because there is not a number n which added to its sum of digits gives 102022221101212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022221101219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697982518 + ... + 698128669.

It is an arithmetic number, because the mean of its divisors is an integer number (14879054986110).

Almost surely, 2102022221101212 is an apocalyptic number.

It is an amenable number.

102022221101212 is a deficient number, since it is larger than the sum of its proper divisors (76526438732108).

102022221101212 is a wasteful number, since it uses less digits than its factorization.

102022221101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396129460 (or 1396129458 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102022221101212 its reverse (212101122220201), we get a palindrome (314123343321413).

The spelling of 102022221101212 in words is "one hundred two trillion, twenty-two billion, two hundred twenty-one million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 4 18269 36538 73076 1396111187 2792222374 5584444748 25505555275303 51011110550606 102022221101212