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122220102110212 = 221991027971493651
BaseRepresentation
bin11011110010100010010101…
…110001010100110000000100
3121000202010110001120120112101
4123302202111301110300010
5112004423232120011322
61111535050110001444
734513053031564441
oct3362422561246004
9530663401516471
10122220102110212
1135a41288408117
121185b0a8aa6284
1353273c9889c82
1422276ad6a69c8
15e1e35a793327
hex6f2895c54c04

122220102110212 has 24 divisors (see below), whose sum is σ = 214962213614400. Its totient is φ = 60802333178400.

The previous prime is 122220102110203. The next prime is 122220102110263. The reversal of 122220102110212 is 212011201022221.

It is a self number, because there is not a number n which added to its sum of digits gives 122220102110212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81079587 + ... + 82573237.

It is an arithmetic number, because the mean of its divisors is an integer number (8956758900600).

Almost surely, 2122220102110212 is an apocalyptic number.

It is an amenable number.

122220102110212 is a deficient number, since it is larger than the sum of its proper divisors (92742111504188).

122220102110212 is a wasteful number, since it uses less digits than its factorization.

122220102110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596651 (or 1596649 counting only the distinct ones).

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

Adding to 122220102110212 its reverse (212011201022221), we get a palindrome (334231303132433).

The spelling of 122220102110212 in words is "one hundred twenty-two trillion, two hundred twenty billion, one hundred two million, one hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 199 398 796 102797 205594 411188 1493651 2987302 5974604 20456603 40913206 81826412 297236549 594473098 1188946196 153542841847 307085683694 614171367388 30555025527553 61110051055106 122220102110212