23211332012 has 12 divisors (see below), whose sum is σ = 44312543016. Its totient is φ = 10550605440.

The previous prime is 23211331967. The next prime is 23211332029. The reversal of 23211332012 is 21023311232.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263765093 + ... + 263765180.

It is an arithmetic number, because the mean of its divisors is an integer number (3692711918).

Almost surely, 2^23211332012 is an apocalyptic number.

23211332012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

23211332012 is a deficient number, since it is larger than the sum of its proper divisors (21101211004).

23211332012 is a wasteful number, since it uses less digits than its factorization.

23211332012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527530288 (or 527530286 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23211332012 its reverse (21023311232), we get a palindrome (44234643244).

The spelling of 23211332012 in words is "twenty-three billion, two hundred eleven million, three hundred thirty-two thousand, twelve".