13211012120 has 128 divisors (see below), whose sum is σ = 32385925440. Its totient is φ = 4830658560.

The previous prime is 13211012117. The next prime is 13211012131. The reversal of 13211012120 is 2121011231.

It is a junction number, because it is equal to n+sod(n) for n = 13211012095 and 13211012104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5642150 + ... + 5644490.

Almost surely, 2^13211012120 is an apocalyptic number.

13211012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13211012120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16192962720).

13211012120 is an abundant number, since it is smaller than the sum of its proper divisors (19174913320).

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

13211012120 is a wasteful number, since it uses less digits than its factorization.

13211012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605 (or 2601 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 13211012120 its reverse (2121011231), we get a palindrome (15332023351).

The spelling of 13211012120 in words is "thirteen billion, two hundred eleven million, twelve thousand, one hundred twenty".