1232131200 has 96 divisors (see below), whose sum is σ = 4058363760. Its totient is φ = 328565760.

The previous prime is 1232131189. The next prime is 1232131211. The reversal of 1232131200 is 21312321.

It is an interprime number because it is at equal distance from previous prime (1232131189) and next prime (1232131211).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1232131200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54574 + ... + 73773.

Almost surely, 2^1232131200 is an apocalyptic number.

1232131200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232131200 is an abundant number, since it is smaller than the sum of its proper divisors (2826232560).

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

1232131200 is a wasteful number, since it uses less digits than its factorization.

1232131200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128374 (or 128357 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1232131200 is about 35101.7264532672. The cubic root of 1232131200 is about 1072.0597352916.

Adding to 1232131200 its reverse (21312321), we get a palindrome (1253443521).

The spelling of 1232131200 in words is "one billion, two hundred thirty-two million, one hundred thirty-one thousand, two hundred".