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102112121212012 = 2279309932187697
BaseRepresentation
bin10111001101111011010100…
…101101100100110001101100
3111101112211020022000002110201
4113031323110231210301230
5101341001111012241022
61001101354430243244
730336233361212332
oct2715732455446154
9441484208002421
10102112121212012
112a59956440404a
12b55201a956524
1344c91934b1042
141b30378493b52
15bc1285bec127
hex5cded4b64c6c

102112121212012 has 12 divisors (see below), whose sum is σ = 178696442986600. Its totient is φ = 51055994644416.

The previous prime is 102112121211983. The next prime is 102112121212033. The reversal of 102112121212012 is 210212121211201.

It is a happy number.

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, 12921453 + ... + 19266244.

Almost surely, 2102112121212012 is an apocalyptic number.

It is an amenable number.

102112121212012 is a deficient number, since it is larger than the sum of its proper divisors (76584321774588).

102112121212012 is a wasteful number, since it uses less digits than its factorization.

102112121212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32980800 (or 32980798 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 102112121212012 its reverse (210212121211201), we get a palindrome (312324242423213).

The spelling of 102112121212012 in words is "one hundred two trillion, one hundred twelve billion, one hundred twenty-one million, two hundred twelve thousand, twelve".

Divisors: 1 2 4 793099 1586198 3172396 32187697 64375394 128750788 25528030303003 51056060606006 102112121212012