12212022012022 has 16 divisors (see below), whose sum is σ = 20955161015712. Its totient is φ = 5228657184960.

The previous prime is 12212022011971. The next prime is 12212022012061. The reversal of 12212022012022 is 22021022021221.

It is a super-2 number, since 2×12212022012022² (a number of 27 digits) contains 22 as substring.

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, 422196229 + ... + 422225152.

It is an arithmetic number, because the mean of its divisors is an integer number (1309697563482).

Almost surely, 2^{12212022012022} is an apocalyptic number.

12212022012022 is a deficient number, since it is larger than the sum of its proper divisors (8743139003690).

12212022012022 is a wasteful number, since it uses less digits than its factorization.

12212022012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844422423.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12212022012022 its reverse (22021022021221), we get a palindrome (34233044033243).

The spelling of 12212022012022 in words is "twelve trillion, two hundred twelve billion, twenty-two million, twelve thousand, twenty-two".