12020997926051 has 2 divisors, whose sum is σ = 12020997926052. Its totient is φ = 12020997926050.

The previous prime is 12020997926039. The next prime is 12020997926101. The reversal of 12020997926051 is 15062979902021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12020997926051 - 2²⁶ = 12020930817187 is a prime.

It is a super-2 number, since 2×12020997926051² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12020997925984 and 12020997926002.

It is not a weakly prime, because it can be changed into another prime (12020997926351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010498963025 + 6010498963026.

It is an arithmetic number, because the mean of its divisors is an integer number (6010498963026).

Almost surely, 2^{12020997926051} is an apocalyptic number.

12020997926051 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020997926051 is an equidigital number, since it uses as much as digits as its factorization.

12020997926051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 53.

The spelling of 12020997926051 in words is "twelve trillion, twenty billion, nine hundred ninety-seven million, nine hundred twenty-six thousand, fifty-one".