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13112121032012 = 2214911321983531
BaseRepresentation
bin1011111011001110011101…
…0100001111110101001100
31201102111200021000002120202
42332303213110033311030
53204312110441011022
643515343015233032
72522214403553552
oct276634724176514
951374607002522
1013112121032012
1141a5901543622
121579272978778
13741610728242
143348b6babbd2
1517b122a9d592
hexbece750fd4c

13112121032012 has 12 divisors (see below), whose sum is σ = 22946366734536. Its totient is φ = 6556016250720.

The previous prime is 13112121031993. The next prime is 13112121032029. The reversal of 13112121032012 is 21023012121131.

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, 10395314 + ... + 11588217.

It is an arithmetic number, because the mean of its divisors is an integer number (1912197227878).

Almost surely, 213112121032012 is an apocalyptic number.

It is an amenable number.

13112121032012 is a deficient number, since it is larger than the sum of its proper divisors (9834245702524).

13112121032012 is a wasteful number, since it uses less digits than its factorization.

13112121032012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22132648 (or 22132646 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 13112121032012 its reverse (21023012121131), we get a palindrome (34135133153143).

The spelling of 13112121032012 in words is "thirteen trillion, one hundred twelve billion, one hundred twenty-one million, thirty-two thousand, twelve".

Divisors: 1 2 4 149113 298226 596452 21983531 43967062 87934124 3278030258003 6556060516006 13112121032012