3120430134400 has 48 divisors (see below), whose sum is σ = 7708437574290. Its totient is φ = 1248172052480.

The previous prime is 3120430134391. The next prime is 3120430134427. The reversal of 3120430134400 is 44310340213.

It can be written as a sum of positive squares in 3 ways, for example, as 1617922944576 + 1502507189824 = 1271976^2 + 1225768^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 487564009 + ... + 487570408.

Almost surely, 2^{3120430134400} is an apocalyptic number.

It is an amenable number.

3120430134400 is an abundant number, since it is smaller than the sum of its proper divisors (4588007439890).

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

3120430134400 is an equidigital number, since it uses as much as digits as its factorization.

3120430134400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975134441 (or 975134424 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 3120430134400 its reverse (44310340213), we get a palindrome (3164740474613).

The spelling of 3120430134400 in words is "three trillion, one hundred twenty billion, four hundred thirty million, one hundred thirty-four thousand, four hundred".