12201002221022 has 16 divisors (see below), whose sum is σ = 19011805531200. Its totient is φ = 5865494063520.

The previous prime is 12201002221019. The next prime is 12201002221127. The reversal of 12201002221022 is 22012220010221.

It is a happy number.

It is a congruent number.

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, 440074229 + ... + 440101952.

It is an arithmetic number, because the mean of its divisors is an integer number (1188237845700).

Almost surely, 2^{12201002221022} is an apocalyptic number.

12201002221022 is a deficient number, since it is larger than the sum of its proper divisors (6810803310178).

12201002221022 is a wasteful number, since it uses less digits than its factorization.

12201002221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880176451.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12201002221022 its reverse (22012220010221), we get a palindrome (34213222231243).

The spelling of 12201002221022 in words is "twelve trillion, two hundred one billion, two million, two hundred twenty-one thousand, twenty-two".