13121010322051 has 2 divisors, whose sum is σ = 13121010322052. Its totient is φ = 13121010322050.

The previous prime is 13121010322031. The next prime is 13121010322139. The reversal of 13121010322051 is 15022301012131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13121010322051 is a prime.

It is not a weakly prime, because it can be changed into another prime (13121010322031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6560505161025 + 6560505161026.

It is an arithmetic number, because the mean of its divisors is an integer number (6560505161026).

Almost surely, 2^{13121010322051} is an apocalyptic number.

13121010322051 is a deficient number, since it is larger than the sum of its proper divisors (1).

13121010322051 is an equidigital number, since it uses as much as digits as its factorization.

13121010322051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 13121010322051 its reverse (15022301012131), we get a palindrome (28143311334182).

The spelling of 13121010322051 in words is "thirteen trillion, one hundred twenty-one billion, ten million, three hundred twenty-two thousand, fifty-one".