12013001031000 has 128 divisors (see below), whose sum is σ = 38352204633600. Its totient is φ = 3128967676800.

The previous prime is 12013001030977. The next prime is 12013001031001. The reversal of 12013001031000 is 13010031021.

It is a super-2 number, since 2×12013001031000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013001031001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46433020 + ... + 46691019.

It is an arithmetic number, because the mean of its divisors is an integer number (299626598700).

Almost surely, 2^{12013001031000} is an apocalyptic number.

12013001031000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12013001031000 is an abundant number, since it is smaller than the sum of its proper divisors (26339203602600).

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

12013001031000 is a wasteful number, since it uses less digits than its factorization.

12013001031000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93124106 (or 93124092 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 12013001031000 its reverse (13010031021), we get a palindrome (12026011062021).

The spelling of 12013001031000 in words is "twelve trillion, thirteen billion, one million, thirty-one thousand".