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102201111210012 = 2239787801641933
BaseRepresentation
bin10111001111001110001100…
…111011011110100000011100
3111101212022221011101101022120
4113033032030323132200130
5101343430333432210022
61001210313050542540
730345533544546543
oct2717161473364034
9441768834341276
10102201111210012
112a62327a99a741
12b567315437a50
1345046a5ca36a9
141b347bb19d15a
15bc374356dd5c
hex5cf38cede81c

102201111210012 has 24 divisors (see below), whose sum is σ = 240927705466896. Its totient is φ = 33715830501888.

The previous prime is 102201111209999. The next prime is 102201111210019. The reversal of 102201111210012 is 210012111102201.

It is a happy number.

It is a super-2 number, since 2×1022011112100122 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102201111209973 and 102201111210000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201111210019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43900819803 + ... + 43900822130.

It is an arithmetic number, because the mean of its divisors is an integer number (10038654394454).

Almost surely, 2102201111210012 is an apocalyptic number.

102201111210012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102201111210012 is an abundant number, since it is smaller than the sum of its proper divisors (138726594256884).

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

102201111210012 is a wasteful number, since it uses less digits than its factorization.

102201111210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87801642037 (or 87801642035 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 102201111210012 its reverse (210012111102201), we get a palindrome (312213222312213).

The spelling of 102201111210012 in words is "one hundred two trillion, two hundred one billion, one hundred eleven million, two hundred ten thousand, twelve".

Divisors: 1 2 3 4 6 12 97 194 291 388 582 1164 87801641933 175603283866 263404925799 351206567732 526809851598 1053619703196 8516759267501 17033518535002 25550277802503 34067037070004 51100555605006 102201111210012