22012213013 has 24 divisors (see below), whose sum is σ = 26969025600. Its totient is φ = 17864437248.

The previous prime is 22012212973. The next prime is 22012213039. The reversal of 22012213013 is 31031221022.

It is not a de Polignac number, because 22012213013 - 2¹⁰ = 22012211989 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22012212982 and 22012213000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012203013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1937333 + ... + 1948661.

It is an arithmetic number, because the mean of its divisors is an integer number (1123709400).

Almost surely, 2^22012213013 is an apocalyptic number.

It is an amenable number.

22012213013 is a deficient number, since it is larger than the sum of its proper divisors (4956812587).

22012213013 is a wasteful number, since it uses less digits than its factorization.

22012213013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13449 (or 13442 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22012213013 its reverse (31031221022), we get a palindrome (53043434035).

The spelling of 22012213013 in words is "twenty-two billion, twelve million, two hundred thirteen thousand, thirteen".