12013000331211 has 64 divisors (see below), whose sum is σ = 19467387072000. Its totient is φ = 7260950016000.

The previous prime is 12013000331191. The next prime is 12013000331243. The reversal of 12013000331211 is 11213300031021.

12013000331211 is a `hidden beast` number, since 1 + 20 + 1 + 300 + 0 + 331 + 2 + 11 = 666.

It is not a de Polignac number, because 12013000331211 - 2⁶ = 12013000331147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12013000331611) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 910966360 + ... + 910979546.

It is an arithmetic number, because the mean of its divisors is an integer number (304177923000).

Almost surely, 2^{12013000331211} is an apocalyptic number.

12013000331211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12013000331211 is a deficient number, since it is larger than the sum of its proper divisors (7454386740789).

12013000331211 is a wasteful number, since it uses less digits than its factorization.

12013000331211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21257 (or 21251 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12013000331211 its reverse (11213300031021), we get a palindrome (23226300362232).

The spelling of 12013000331211 in words is "twelve trillion, thirteen billion, three hundred thirty-one thousand, two hundred eleven".