231011003212 has 12 divisors (see below), whose sum is σ = 441021006216. Its totient is φ = 105005001440.

The previous prime is 231011003191. The next prime is 231011003219. The reversal of 231011003212 is 212300110132.

It is not an unprimeable number, because it can be changed into a prime (231011003219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2625124993 + ... + 2625125080.

It is an arithmetic number, because the mean of its divisors is an integer number (36751750518).

Almost surely, 2^231011003212 is an apocalyptic number.

231011003212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231011003212 is a deficient number, since it is larger than the sum of its proper divisors (210010003004).

231011003212 is a wasteful number, since it uses less digits than its factorization.

231011003212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250250088 (or 5250250086 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 231011003212 its reverse (212300110132), we get a palindrome (443311113344).

The spelling of 231011003212 in words is "two hundred thirty-one billion, eleven million, three thousand, two hundred twelve".