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102021212012012 = 22140918101705467
BaseRepresentation
bin10111001100100110101010…
…000110011111110111101100
3111101020010120200022020102022
4113030212222012133313230
5101333003420233341022
61000551521530445312
730326534511602036
oct2714465206376754
9441203520266368
10102021212012012
112a563a535475a7
12b538489593838
1344c07361c39c7
141b29bd2922c56
15bbdc14b27c42
hex5cc9aa19fdec

102021212012012 has 12 divisors (see below), whose sum is σ = 178663832969160. Its totient is φ = 50974402592256.

The previous prime is 102021212011981. The next prime is 102021212012039. The reversal of 102021212012012 is 210210212120201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9050847098 + ... + 9050858369.

It is an arithmetic number, because the mean of its divisors is an integer number (14888652747430).

Almost surely, 2102021212012012 is an apocalyptic number.

It is an amenable number.

102021212012012 is a deficient number, since it is larger than the sum of its proper divisors (76642620957148).

102021212012012 is a wasteful number, since it uses less digits than its factorization.

102021212012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18101706880 (or 18101706878 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102021212012012 its reverse (210210212120201), we get a palindrome (312231424132213).

The spelling of 102021212012012 in words is "one hundred two trillion, twenty-one billion, two hundred twelve million, twelve thousand, twelve".

Divisors: 1 2 4 1409 2818 5636 18101705467 36203410934 72406821868 25505303003003 51010606006006 102021212012012