1213123023097 has 32 divisors (see below), whose sum is σ = 1338853662720. Its totient is φ = 1095001649280.

The previous prime is 1213123023043. The next prime is 1213123023139. The reversal of 1213123023097 is 7903203213121.

It is a cyclic number.

It is not a de Polignac number, because 1213123023097 - 2³⁹ = 663367209209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213123024097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16916038 + ... + 16987600.

It is an arithmetic number, because the mean of its divisors is an integer number (41839176960).

Almost surely, 2^{1213123023097} is an apocalyptic number.

It is an amenable number.

1213123023097 is a deficient number, since it is larger than the sum of its proper divisors (125730639623).

1213123023097 is a wasteful number, since it uses less digits than its factorization.

1213123023097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72133.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 1213123023097 in words is "one trillion, two hundred thirteen billion, one hundred twenty-three million, twenty-three thousand, ninety-seven".