122020012210 has 32 divisors (see below), whose sum is σ = 221119236720. Its totient is φ = 48478639872.

The previous prime is 122020012181. The next prime is 122020012223. The reversal of 122020012210 is 12210020221.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 45002106769 + 77017905441 = 212137^2 + 277521^2 .

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, 4553772 + ... + 4580488.

Almost surely, 2^122020012210 is an apocalyptic number.

122020012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122020012210 is a deficient number, since it is larger than the sum of its proper divisors (99099224510).

122020012210 is a wasteful number, since it uses less digits than its factorization.

122020012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29790.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122020012210 its reverse (12210020221), we get a palindrome (134230032431).

The spelling of 122020012210 in words is "one hundred twenty-two billion, twenty million, twelve thousand, two hundred ten".