12212200121202 has 24 divisors (see below), whose sum is σ = 26459835221820. Its totient is φ = 4070722867200.

The previous prime is 12212200121197. The next prime is 12212200121273. The reversal of 12212200121202 is 20212100221221.

It is a happy number.

12212200121202 is a `hidden beast` number, since 1 + 221 + 220 + 0 + 1 + 21 + 202 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12204898589601 + 7301531601 = 3493551^2 + 85449^2 .

It is a super-2 number, since 2×12212200121202² (a number of 27 digits) contains 22 as substring.

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, 9830202 + ... + 11002602.

Almost surely, 2^{12212200121202} is an apocalyptic number.

12212200121202 is an abundant number, since it is smaller than the sum of its proper divisors (14247635100618).

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

12212200121202 is a wasteful number, since it uses less digits than its factorization.

12212200121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751098 (or 1751095 counting only the distinct ones).

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

Adding to 12212200121202 its reverse (20212100221221), we get a palindrome (32424300342423).

The spelling of 12212200121202 in words is "twelve trillion, two hundred twelve billion, two hundred million, one hundred twenty-one thousand, two hundred two".