12212211202210 has 16 divisors (see below), whose sum is σ = 22518126022392. Its totient is φ = 4765740956800.

The previous prime is 12212211202207. The next prime is 12212211202237. The reversal of 12212211202210 is 1220211221221.

It can be written as a sum of positive squares in 4 ways, for example, as 10210204106281 + 2002007095929 = 3195341^2 + 1414923^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14892940081 + ... + 14892940900.

Almost surely, 2^{12212211202210} is an apocalyptic number.

12212211202210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212211202210 is a deficient number, since it is larger than the sum of its proper divisors (10305914820182).

12212211202210 is a wasteful number, since it uses less digits than its factorization.

12212211202210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29785881029.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12212211202210 its reverse (1220211221221), we get a palindrome (13432422423431).

The spelling of 12212211202210 in words is "twelve trillion, two hundred twelve billion, two hundred eleven million, two hundred two thousand, two hundred ten".