12002002031 has 16 divisors (see below), whose sum is σ = 12559242240. Its totient is φ = 11454992640.

The previous prime is 12002002009. The next prime is 12002002043. The reversal of 12002002031 is 13020020021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12002002031 - 2¹⁰ = 12002001007 is a prime.

It is a super-2 number, since 2×12002002031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002002081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1029125 + ... + 1040721.

It is an arithmetic number, because the mean of its divisors is an integer number (784952640).

Almost surely, 2^12002002031 is an apocalyptic number.

12002002031 is a deficient number, since it is larger than the sum of its proper divisors (557240209).

12002002031 is a wasteful number, since it uses less digits than its factorization.

12002002031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12034.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 12002002031 its reverse (13020020021), we get a palindrome (25022022052).

The spelling of 12002002031 in words is "twelve billion, two million, two thousand, thirty-one".