13222333012 has 24 divisors (see below), whose sum is σ = 27594435456. Its totient is φ = 5420335008.

The previous prime is 13222332973. The next prime is 13222333021. The reversal of 13222333012 is 21033322231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10265143 + ... + 10266430.

It is an arithmetic number, because the mean of its divisors is an integer number (1149768144).

Almost surely, 2^13222333012 is an apocalyptic number.

It is an amenable number.

13222333012 is an abundant number, since it is smaller than the sum of its proper divisors (14372102444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13222333012 is a wasteful number, since it uses less digits than its factorization.

13222333012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20531607 (or 20531605 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13222333012 its reverse (21033322231), we get a palindrome (34255655243).

The spelling of 13222333012 in words is "thirteen billion, two hundred twenty-two million, three hundred thirty-three thousand, twelve".