13012202220 has 96 divisors (see below), whose sum is σ = 38791037376. Its totient is φ = 3247718400.

The previous prime is 13012202213. The next prime is 13012202257. The reversal of 13012202220 is 2220221031.

It is a happy number.

It is a super-2 number, since 2×13012202220² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13012202220.

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, 149380 + ... + 219860.

It is an arithmetic number, because the mean of its divisors is an integer number (404073306).

Almost surely, 2^13012202220 is an apocalyptic number.

13012202220 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 13012202220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19395518688).

13012202220 is an abundant number, since it is smaller than the sum of its proper divisors (25778835156).

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

13012202220 is a wasteful number, since it uses less digits than its factorization.

13012202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70691 (or 70689 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 13012202220 its reverse (2220221031), we get a palindrome (15232423251).

The spelling of 13012202220 in words is "thirteen billion, twelve million, two hundred two thousand, two hundred twenty".