1312232132100 has 144 divisors (see below), whose sum is σ = 3935116539200. Its totient is φ = 337347141120.

The previous prime is 1312232132069. The next prime is 1312232132227. The reversal of 1312232132100 is 12312322131.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 667611 + ... + 1752189.

Almost surely, 2^{1312232132100} is an apocalyptic number.

1312232132100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312232132100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1967558269600).

1312232132100 is an abundant number, since it is smaller than the sum of its proper divisors (2622884407100).

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

1312232132100 is a wasteful number, since it uses less digits than its factorization.

1312232132100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084742 (or 1084735 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1312232132100 its reverse (12312322131), we get a palindrome (1324544454231).

The spelling of 1312232132100 in words is "one trillion, three hundred twelve billion, two hundred thirty-two million, one hundred thirty-two thousand, one hundred".