12232001031 has 24 divisors (see below), whose sum is σ = 16962049104. Its totient is φ = 7840412160.

The previous prime is 12232001029. The next prime is 12232001053. The reversal of 12232001031 is 13010023221.

It is not a de Polignac number, because 12232001031 - 2¹ = 12232001029 is a prime.

It is a super-2 number, since 2×12232001031² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12232001031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232001531) 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, 597985 + ... + 618101.

It is an arithmetic number, because the mean of its divisors is an integer number (706752046).

Almost surely, 2^12232001031 is an apocalyptic number.

12232001031 is a deficient number, since it is larger than the sum of its proper divisors (4730048073).

12232001031 is a wasteful number, since it uses less digits than its factorization.

12232001031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20419 (or 20390 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12232001031 its reverse (13010023221), we get a palindrome (25242024252).

The spelling of 12232001031 in words is "twelve billion, two hundred thirty-two million, one thousand, thirty-one".