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102020201220212 = 221119444727441811
BaseRepresentation
bin10111001100100101101101…
…110110101000100001110100
3111101020000222020022200201222
4113030211231312220201310
5101332444333003021322
61000551233342005512
730326500456163132
oct2714455566504164
9441200866280658
10102020201220212
112a563584a22780
12b538246b76898
1344c0604978752
141b29b385a6752
15bbdba6013e42
hex5cc96dda8874

102020201220212 has 48 divisors (see below), whose sum is σ = 205062782023680. Its totient is φ = 43922263413600.

The previous prime is 102020201220199. The next prime is 102020201220227. The reversal of 102020201220212 is 212022102020201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10003214 + ... + 17438597.

It is an arithmetic number, because the mean of its divisors is an integer number (4272141292160).

Almost surely, 2102020201220212 is an apocalyptic number.

It is an amenable number.

102020201220212 is an abundant number, since it is smaller than the sum of its proper divisors (103042580803468).

102020201220212 is a wasteful number, since it uses less digits than its factorization.

102020201220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27446292 (or 27446290 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102020201220212 its reverse (212022102020201), we get a palindrome (314042303240413).

The spelling of 102020201220212 in words is "one hundred two trillion, twenty billion, two hundred one million, two hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 11 19 22 38 44 76 209 418 836 4447 8894 17788 48917 84493 97834 168986 195668 337972 929423 1858846 3717692 27441811 54883622 109767244 301859921 521394409 603719842 1042788818 1207439684 2085577636 5735338499 11470676998 22941353996 122033733517 244067467034 488134934068 1342371068687 2318640936823 2684742137374 4637281873646 5369484274748 9274563747292 25505050305053 51010100610106 102020201220212