12011020313100 has 72 divisors (see below), whose sum is σ = 35089282475520. Its totient is φ = 3171842249280.

The previous prime is 12011020313087. The next prime is 12011020313107. The reversal of 12011020313100 is 131302011021.

It is a happy number.

It is a super-2 number, since 2×12011020313100² (a number of 27 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 12011020313100.

It is not an unprimeable number, because it can be changed into a prime (12011020313107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 194322180 + ... + 194383979.

Almost surely, 2^{12011020313100} is an apocalyptic number.

12011020313100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12011020313100 is an abundant number, since it is smaller than the sum of its proper divisors (23078262162420).

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

12011020313100 is a wasteful number, since it uses less digits than its factorization.

12011020313100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388706279 (or 388706272 counting only the distinct ones).

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

Adding to 12011020313100 its reverse (131302011021), we get a palindrome (12142322324121).

The spelling of 12011020313100 in words is "twelve trillion, eleven billion, twenty million, three hundred thirteen thousand, one hundred".