22021301032012 has 24 divisors (see below), whose sum is σ = 38832760915200. Its totient is φ = 10926446628240.

The previous prime is 22021301031941. The next prime is 22021301032013. The reversal of 22021301032012 is 21023010312022.

It is not an unprimeable number, because it can be changed into a prime (22021301032013) 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, 27117414 + ... + 27917677.

It is an arithmetic number, because the mean of its divisors is an integer number (1618031704800).

Almost surely, 2^{22021301032012} is an apocalyptic number.

It is an amenable number.

22021301032012 is a deficient number, since it is larger than the sum of its proper divisors (16811459883188).

22021301032012 is a wasteful number, since it uses less digits than its factorization.

22021301032012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55035861 (or 55035859 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22021301032012 its reverse (21023010312022), we get a palindrome (43044311344034).

The spelling of 22021301032012 in words is "twenty-two trillion, twenty-one billion, three hundred one million, thirty-two thousand, twelve".