12001121203113 has 48 divisors (see below), whose sum is σ = 19882157982336. Its totient is φ = 6833324494080.

The previous prime is 12001121202977. The next prime is 12001121203117. The reversal of 12001121203113 is 31130212110021.

12001121203113 is a `hidden beast` number, since 120 + 0 + 112 + 120 + 311 + 3 = 666.

It is not a de Polignac number, because 12001121203113 - 2¹⁴ = 12001121186729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12001121203117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19902181 + ... + 20496317.

It is an arithmetic number, because the mean of its divisors is an integer number (414211624632).

Almost surely, 2^{12001121203113} is an apocalyptic number.

It is an amenable number.

12001121203113 is a deficient number, since it is larger than the sum of its proper divisors (7881036779223).

12001121203113 is a wasteful number, since it uses less digits than its factorization.

12001121203113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595294 (or 595291 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12001121203113 its reverse (31130212110021), we get a palindrome (43131333313134).

The spelling of 12001121203113 in words is "twelve trillion, one billion, one hundred twenty-one million, two hundred three thousand, one hundred thirteen".