1232130020400 has 120 divisors (see below), whose sum is σ = 4385470222160. Its totient is φ = 328568002560.

The previous prime is 1232130020371. The next prime is 1232130020441. The reversal of 1232130020400 is 40200312321.

1232130020400 is a `hidden beast` number, since 1 + 2 + 321 + 300 + 2 + 0 + 40 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57032257 + ... + 57053856.

Almost surely, 2^{1232130020400} is an apocalyptic number.

1232130020400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232130020400 is an abundant number, since it is smaller than the sum of its proper divisors (3153340201760).

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

1232130020400 is a wasteful number, since it uses less digits than its factorization.

1232130020400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114086140 (or 114086123 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1232130020400 its reverse (40200312321), we get a palindrome (1272330332721).

The spelling of 1232130020400 in words is "one trillion, two hundred thirty-two billion, one hundred thirty million, twenty thousand, four hundred".