612128243037 has 12 divisors (see below), whose sum is σ = 833905815296. Its totient is φ = 399402820920.

The previous prime is 612128243033. The next prime is 612128243047. The reversal of 612128243037 is 730342821216.

It is not a de Polignac number, because 612128243037 - 2² = 612128243033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612128242986 and 612128243004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612128243033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46177789 + ... + 46191042.

Almost surely, 2^612128243037 is an apocalyptic number.

It is an amenable number.

612128243037 is a deficient number, since it is larger than the sum of its proper divisors (221777572259).

612128243037 is an equidigital number, since it uses as much as digits as its factorization.

612128243037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92368928 (or 92368881 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 612128243037 in words is "six hundred twelve billion, one hundred twenty-eight million, two hundred forty-three thousand, thirty-seven".