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122102121202212 = 22367883171991291
BaseRepresentation
bin11011110000110100011101…
…100011111000001000100100
3121000022211220202200110120010
4123300310131203320020210
5112001010121011432322
61111404535021410220
734501405250451564
oct3360643543701044
9530284822613503
10122102121202212
11359a624524a778
1211840261409970
135319246aa2cc8
142221aba588da4
15e1b252bc220c
hex6f0d1d8f8224

122102121202212 has 48 divisors (see below), whose sum is σ = 289484735251712. Its totient is φ = 40047827893920.

The previous prime is 122102121202163. The next prime is 122102121202223. The reversal of 122102121202212 is 212202121201221.

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, 85285714 + ... + 86705577.

Almost surely, 2122102121202212 is an apocalyptic number.

122102121202212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122102121202212 is an abundant number, since it is smaller than the sum of its proper divisors (167382614049500).

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

122102121202212 is a wasteful number, since it uses less digits than its factorization.

122102121202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171992248 (or 171992246 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122102121202212 its reverse (212202121201221), we get a palindrome (334304242403433).

Subtracting 122102121202212 from its reverse (212202121201221), we obtain a palindrome (90099999999009).

The spelling of 122102121202212 in words is "one hundred twenty-two trillion, one hundred two billion, one hundred twenty-one million, two hundred two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 67 134 201 268 402 804 883 1766 2649 3532 5298 10596 59161 118322 177483 236644 354966 709932 171991291 343982582 515973873 687965164 1031947746 2063895492 11523416497 23046832994 34570249491 46093665988 69140498982 138280997964 151868309953 303736619906 455604929859 607473239812 911209859718 1822419719436 10175176766851 20350353533702 30525530300553 40700707067404 61051060601106 122102121202212