1312233331100 has 72 divisors (see below), whose sum is σ = 2922378320400. Its totient is φ = 511262668800.

The previous prime is 1312233331069. The next prime is 1312233331151. The reversal of 1312233331100 is 11333322131.

It is a congruent number.

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, 377141 + ... + 1663340.

Almost surely, 2^{1312233331100} is an apocalyptic number.

1312233331100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312233331100 is an abundant number, since it is smaller than the sum of its proper divisors (1610144989300).

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

1312233331100 is a wasteful number, since it uses less digits than its factorization.

1312233331100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040663 (or 2040656 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1312233331100 its reverse (11333322131), we get a palindrome (1323566653231).

The spelling of 1312233331100 in words is "one trillion, three hundred twelve billion, two hundred thirty-three million, three hundred thirty-one thousand, one hundred".