1310113021200 has 120 divisors (see below), whose sum is σ = 4197276946368. Its totient is φ = 349317834240.

The previous prime is 1310113021159. The next prime is 1310113021211. The reversal of 1310113021200 is 21203110131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×1310113021200² (a number of 25 digits) contains 22 as substring.

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 1310113021200.

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, 9673149 + ... + 9807651.

Almost surely, 2^{1310113021200} is an apocalyptic number.

1310113021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310113021200 is an abundant number, since it is smaller than the sum of its proper divisors (2887163925168).

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

1310113021200 is a wasteful number, since it uses less digits than its factorization.

1310113021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142641 (or 142630 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1310113021200 its reverse (21203110131), we get a palindrome (1331316131331).

The spelling of 1310113021200 in words is "one trillion, three hundred ten billion, one hundred thirteen million, twenty-one thousand, two hundred".