12100010451320 has 64 divisors (see below), whose sum is σ = 29713448751840. Its totient is φ = 4398015193600.

The previous prime is 12100010451317. The next prime is 12100010451401. The reversal of 12100010451320 is 2315401000121.

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

It is a junction number, because it is equal to n+sod(n) for n = 12100010451292 and 12100010451301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5239571 + ... + 7187010.

Almost surely, 2^{12100010451320} is an apocalyptic number.

12100010451320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12100010451320 is an abundant number, since it is smaller than the sum of its proper divisors (17613438300520).

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

12100010451320 is a wasteful number, since it uses less digits than its factorization.

12100010451320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12428816 (or 12428812 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 12100010451320 its reverse (2315401000121), we get a palindrome (14415411451441).

The spelling of 12100010451320 in words is "twelve trillion, one hundred billion, ten million, four hundred fifty-one thousand, three hundred twenty".