12221011202000 has 80 divisors (see below), whose sum is σ = 29552341957632. Its totient is φ = 4888084073600.

The previous prime is 12221011201981. The next prime is 12221011202009. The reversal of 12221011202000 is 20211012221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×12221011202000² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221011202009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31581689 + ... + 31966311.

Almost surely, 2^{12221011202000} is an apocalyptic number.

12221011202000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12221011202000 is an abundant number, since it is smaller than the sum of its proper divisors (17331330755632).

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

12221011202000 is a wasteful number, since it uses less digits than its factorization.

12221011202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400533 (or 400517 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12221011202000 its reverse (20211012221), we get a palindrome (12241222214221).

The spelling of 12221011202000 in words is "twelve trillion, two hundred twenty-one billion, eleven million, two hundred two thousand".