12010203231 has 64 divisors (see below), whose sum is σ = 19131033600. Its totient is φ = 6630414336.

The previous prime is 12010203223. The next prime is 12010203263. The reversal of 12010203231 is 13230201021.

It is not a de Polignac number, because 12010203231 - 2³ = 12010203223 is a prime.

It is a super-2 number, since 2×12010203231² (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 12010203231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010203281) 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, 1514980 + ... + 1522886.

It is an arithmetic number, because the mean of its divisors is an integer number (298922400).

Almost surely, 2^12010203231 is an apocalyptic number.

12010203231 is a deficient number, since it is larger than the sum of its proper divisors (7120830369).

12010203231 is a wasteful number, since it uses less digits than its factorization.

12010203231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8048.

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

Adding to 12010203231 its reverse (13230201021), we get a palindrome (25240404252).

The spelling of 12010203231 in words is "twelve billion, ten million, two hundred three thousand, two hundred thirty-one".