7901212131023 has 16 divisors (see below), whose sum is σ = 8031867790944. Its totient is φ = 7770936476160.

The previous prime is 7901212131011. The next prime is 7901212131047. The reversal of 7901212131023 is 3201312121097.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7901212131023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7901212137023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206835161 + ... + 206873357.

It is an arithmetic number, because the mean of its divisors is an integer number (501991736934).

Almost surely, 2^{7901212131023} is an apocalyptic number.

7901212131023 is a deficient number, since it is larger than the sum of its proper divisors (130655659921).

7901212131023 is a wasteful number, since it uses less digits than its factorization.

7901212131023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43082.

The product of its (nonzero) digits is 4536, while the sum is 32.

The spelling of 7901212131023 in words is "seven trillion, nine hundred one billion, two hundred twelve million, one hundred thirty-one thousand, twenty-three".