12212200021022 has 16 divisors (see below), whose sum is σ = 18955445769600. Its totient is φ = 5894681281920.

The previous prime is 12212200021019. The next prime is 12212200021097. The reversal of 12212200021022 is 22012000221221.

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, 240770447 + ... + 240821162.

It is an arithmetic number, because the mean of its divisors is an integer number (1184715360600).

Almost surely, 2^{12212200021022} is an apocalyptic number.

12212200021022 is a deficient number, since it is larger than the sum of its proper divisors (6743245748578).

12212200021022 is a wasteful number, since it uses less digits than its factorization.

12212200021022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481592051.

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

Adding to 12212200021022 its reverse (22012000221221), we get a palindrome (34224200242243).

The spelling of 12212200021022 in words is "twelve trillion, two hundred twelve billion, two hundred million, twenty-one thousand, twenty-two".