1312102203100 has 36 divisors (see below), whose sum is σ = 3066281920744. Its totient is φ = 484468505280.

The previous prime is 1312102203059. The next prime is 1312102203101. The reversal of 1312102203100 is 13022012131.

It is a super-2 number, since 2×1312102203100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312102203101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 504653394 + ... + 504655993.

Almost surely, 2^{1312102203100} is an apocalyptic number.

1312102203100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312102203100 is an abundant number, since it is smaller than the sum of its proper divisors (1754179717644).

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

1312102203100 is a wasteful number, since it uses less digits than its factorization.

1312102203100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009309414 (or 1009309407 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1312102203100 its reverse (13022012131), we get a palindrome (1325124215231).

The spelling of 1312102203100 in words is "one trillion, three hundred twelve billion, one hundred two million, two hundred three thousand, one hundred".