3122130400 has 72 divisors (see below), whose sum is σ = 7953334704. Its totient is φ = 1194547200.

The previous prime is 3122130397. The next prime is 3122130439. The reversal of 3122130400 is 40312213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66441 + ... + 103240.

It is an arithmetic number, because the mean of its divisors is an integer number (110462982).

Almost surely, 2^3122130400 is an apocalyptic number.

It is an amenable number.

3122130400 is an abundant number, since it is smaller than the sum of its proper divisors (4831204304).

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

3122130400 is a wasteful number, since it uses less digits than its factorization.

3122130400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169724 (or 169711 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3122130400 is about 55876.0270599118. The cubic root of 3122130400 is about 1461.5612247893.

Adding to 3122130400 its reverse (40312213), we get a palindrome (3162442613).

The spelling of 3122130400 in words is "three billion, one hundred twenty-two million, one hundred thirty thousand, four hundred".