1312232032100 has 72 divisors (see below), whose sum is σ = 3122507000928. Its totient is φ = 474702796800.

The previous prime is 1312232032073. The next prime is 1312232032109. The reversal of 1312232032100 is 12302322131.

It is a super-3 number, since 3×1312232032100³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1312232032109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2878214 + ... + 3302813.

Almost surely, 2^{1312232032100} is an apocalyptic number.

1312232032100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312232032100 is an abundant number, since it is smaller than the sum of its proper divisors (1810274968828).

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

1312232032100 is a wasteful number, since it uses less digits than its factorization.

1312232032100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6181245 (or 6181238 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1312232032100 its reverse (12302322131), we get a palindrome (1324534354231).

The spelling of 1312232032100 in words is "one trillion, three hundred twelve billion, two hundred thirty-two million, thirty-two thousand, one hundred".