13210123220 has 24 divisors (see below), whose sum is σ = 31704296064. Its totient is φ = 4529185056.

The previous prime is 13210123159. The next prime is 13210123231. The reversal of 13210123220 is 2232101231.

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, 47178872 + ... + 47179151.

It is an arithmetic number, because the mean of its divisors is an integer number (1321012336).

Almost surely, 2^13210123220 is an apocalyptic number.

13210123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13210123220 is an abundant number, since it is smaller than the sum of its proper divisors (18494172844).

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

13210123220 is a wasteful number, since it uses less digits than its factorization.

13210123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94358039 (or 94358037 counting only the distinct ones).

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

Adding to 13210123220 its reverse (2232101231), we get a palindrome (15442224451).

The spelling of 13210123220 in words is "thirteen billion, two hundred ten million, one hundred twenty-three thousand, two hundred twenty".