12220010211204 has 36 divisors (see below), whose sum is σ = 30889582310860. Its totient is φ = 4073321960640.

The previous prime is 12220010211151. The next prime is 12220010211217. The reversal of 12220010211204 is 40211201002221.

It can be written as a sum of positive squares in 2 ways, for example, as 1432923914304 + 10787086296900 = 1197048^2 + 3284370^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14591274 + ... + 15406014.

Almost surely, 2^{12220010211204} is an apocalyptic number.

It is an amenable number.

12220010211204 is an abundant number, since it is smaller than the sum of its proper divisors (18669572099656).

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

12220010211204 is a wasteful number, since it uses less digits than its factorization.

12220010211204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231380 (or 1231375 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12220010211204 its reverse (40211201002221), we get a palindrome (52431211213425).

The spelling of 12220010211204 in words is "twelve trillion, two hundred twenty billion, ten million, two hundred eleven thousand, two hundred four".