23211331132012 has 24 divisors (see below), whose sum is σ = 43482422289600. Its totient is φ = 10808487822096.

The previous prime is 23211331132009. The next prime is 23211331132013. The reversal of 23211331132012 is 21023113311232.

It is not an unprimeable number, because it can be changed into a prime (23211331132013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2588234938 + ... + 2588243905.

It is an arithmetic number, because the mean of its divisors is an integer number (1811767595400).

Almost surely, 2^{23211331132012} is an apocalyptic number.

It is an amenable number.

23211331132012 is a deficient number, since it is larger than the sum of its proper divisors (20271091157588).

23211331132012 is a wasteful number, since it uses less digits than its factorization.

23211331132012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5176478925 (or 5176478923 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 23211331132012 its reverse (21023113311232), we get a palindrome (44234444443244).

The spelling of 23211331132012 in words is "twenty-three trillion, two hundred eleven billion, three hundred thirty-one million, one hundred thirty-two thousand, twelve".