20221201202112 has 56 divisors (see below), whose sum is σ = 59446586872400. Its totient is φ = 6740400400128.

The previous prime is 20221201202093. The next prime is 20221201202113. The reversal of 20221201202112 is 21120210212202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221201202113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5851040287 + ... + 5851043742.

It is an arithmetic number, because the mean of its divisors is an integer number (1061546194150).

Almost surely, 2^{20221201202112} is an apocalyptic number.

It is an amenable number.

20221201202112 is an abundant number, since it is smaller than the sum of its proper divisors (39225385670288).

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

20221201202112 is a wasteful number, since it uses less digits than its factorization.

20221201202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11702084050 (or 11702084034 counting only the distinct ones).

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

Adding to 20221201202112 its reverse (21120210212202), we get a palindrome (41341411414314).

The spelling of 20221201202112 in words is "twenty trillion, two hundred twenty-one billion, two hundred one million, two hundred two thousand, one hundred twelve".