13101212213220 has 48 divisors (see below), whose sum is σ = 36684029208960. Its totient is φ = 3493596112896.

The previous prime is 13101212213197. The next prime is 13101212213231. The reversal of 13101212213220 is 2231221210131.

It is a super-2 number, since 2×13101212213220² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1660164 + ... + 5381316.

It is an arithmetic number, because the mean of its divisors is an integer number (764250608520).

Almost surely, 2^{13101212213220} is an apocalyptic number.

13101212213220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13101212213220 is an abundant number, since it is smaller than the sum of its proper divisors (23582816995740).

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

13101212213220 is a wasteful number, since it uses less digits than its factorization.

13101212213220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779844 (or 3779842 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 13101212213220 its reverse (2231221210131), we get a palindrome (15332433423351).

The spelling of 13101212213220 in words is "thirteen trillion, one hundred one billion, two hundred twelve million, two hundred thirteen thousand, two hundred twenty".