13222012120 has 32 divisors (see below), whose sum is σ = 30709192320. Its totient is φ = 5118197760.

The previous prime is 13222012109. The next prime is 13222012121. The reversal of 13222012120 is 2121022231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13222012094 and 13222012103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222012121) 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, 5330217 + ... + 5332696.

It is an arithmetic number, because the mean of its divisors is an integer number (959662260).

Almost surely, 2^13222012120 is an apocalyptic number.

13222012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13222012120 is an abundant number, since it is smaller than the sum of its proper divisors (17487180200).

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

13222012120 is a wasteful number, since it uses less digits than its factorization.

13222012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10662955 (or 10662951 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 13222012120 its reverse (2121022231), we get a palindrome (15343034351).

The spelling of 13222012120 in words is "thirteen billion, two hundred twenty-two million, twelve thousand, one hundred twenty".