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13121102102012 = 224818768073869
BaseRepresentation
bin1011111011101111111010…
…1000010011110111111100
31201110100212011110201111222
42332323332220103313330
53204434004114231022
643523430122532512
72522653066443242
oct276737650236774
951410764421458
1013121102102012
1141a96a0085423
12157ab5a667138
137424122ab148
143350c9896792
1517b49b28b242
hexbeefea13dfc

13121102102012 has 12 divisors (see below), whose sum is σ = 22962405532920. Its totient is φ = 6560414806896.

The previous prime is 13121102101979. The next prime is 13121102102057. The reversal of 13121102102012 is 21020120112131.

It is a happy number.

It is a congruent 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, 33844187 + ... + 34229682.

It is an arithmetic number, because the mean of its divisors is an integer number (1913533794410).

Almost surely, 213121102102012 is an apocalyptic number.

It is an amenable number.

13121102102012 is a deficient number, since it is larger than the sum of its proper divisors (9841303430908).

13121102102012 is a wasteful number, since it uses less digits than its factorization.

13121102102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68122060 (or 68122058 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 13121102102012 its reverse (21020120112131), we get a palindrome (34141222214143).

The spelling of 13121102102012 in words is "thirteen trillion, one hundred twenty-one billion, one hundred two million, one hundred two thousand, twelve".

Divisors: 1 2 4 48187 96374 192748 68073869 136147738 272295476 3280275525503 6560551051006 13121102102012