12020122210 has 8 divisors (see below), whose sum is σ = 21636219996. Its totient is φ = 4808048880.

The previous prime is 12020122157. The next prime is 12020122223. The reversal of 12020122210 is 1222102021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11684096649 + 336025561 = 108093^2 + 18331^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601006101 + ... + 601006120.

Almost surely, 2^12020122210 is an apocalyptic number.

12020122210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12020122210 is a deficient number, since it is larger than the sum of its proper divisors (9616097786).

12020122210 is a wasteful number, since it uses less digits than its factorization.

12020122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202012228.

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

Adding to 12020122210 its reverse (1222102021), we get a palindrome (13242224231).

The spelling of 12020122210 in words is "twelve billion, twenty million, one hundred twenty-two thousand, two hundred ten".