20213213323012 has 12 divisors (see below), whose sum is σ = 36514191809536. Its totient is φ = 9780587091720.

The previous prime is 20213213322989. The next prime is 20213213323073. The reversal of 20213213323012 is 21032331231202.

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, 81504892308 + ... + 81504892555.

Almost surely, 2^{20213213323012} is an apocalyptic number.

It is an amenable number.

20213213323012 is a deficient number, since it is larger than the sum of its proper divisors (16300978486524).

20213213323012 is a wasteful number, since it uses less digits than its factorization.

20213213323012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163009784898 (or 163009784896 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 20213213323012 its reverse (21032331231202), we get a palindrome (41245544554214).

The spelling of 20213213323012 in words is "twenty trillion, two hundred thirteen billion, two hundred thirteen million, three hundred twenty-three thousand, twelve".