612512026401 has 32 divisors (see below), whose sum is σ = 899424662400. Its totient is φ = 367681006080.

The previous prime is 612512026393. The next prime is 612512026453. The reversal of 612512026401 is 104620215216.

It is not a de Polignac number, because 612512026401 - 2³ = 612512026393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612512026481) 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, 10434405 + ... + 10492941.

It is an arithmetic number, because the mean of its divisors is an integer number (28107020700).

Almost surely, 2^612512026401 is an apocalyptic number.

It is an amenable number.

612512026401 is a deficient number, since it is larger than the sum of its proper divisors (286912635999).

612512026401 is a wasteful number, since it uses less digits than its factorization.

612512026401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61569.

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 612512026401 in words is "six hundred twelve billion, five hundred twelve million, twenty-six thousand, four hundred one".