12220420110 has 32 divisors (see below), whose sum is σ = 29766759552. Its totient is φ = 3210139680.

The previous prime is 12220420109. The next prime is 12220420123. The reversal of 12220420110 is 1102402221.

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 12220420110.

It is a congruent number.

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, 3037896 + ... + 3041915.

It is an arithmetic number, because the mean of its divisors is an integer number (930211236).

Almost surely, 2^12220420110 is an apocalyptic number.

12220420110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220420110 is an abundant number, since it is smaller than the sum of its proper divisors (17546339442).

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

12220420110 is a wasteful number, since it uses less digits than its factorization.

12220420110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6079888.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12220420110 its reverse (1102402221), we get a palindrome (13322822331).

The spelling of 12220420110 in words is "twelve billion, two hundred twenty million, four hundred twenty thousand, one hundred ten".