3121622365506 has 128 divisors (see below), whose sum is σ = 6791085100800. Its totient is φ = 953346723840.

The previous prime is 3121622365469. The next prime is 3121622365523. The reversal of 3121622365506 is 6055632261213.

It is a happy number.

3121622365506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 249384360 + ... + 249396876.

It is an arithmetic number, because the mean of its divisors is an integer number (53055352350).

Almost surely, 2^{3121622365506} is an apocalyptic number.

3121622365506 is an abundant number, since it is smaller than the sum of its proper divisors (3669462735294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121622365506 is a wasteful number, since it uses less digits than its factorization.

3121622365506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13044.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 3121622365506 in words is "three trillion, one hundred twenty-one billion, six hundred twenty-two million, three hundred sixty-five thousand, five hundred six".