20121200102202 has 32 divisors (see below), whose sum is σ = 40619412273600. Its totient is φ = 6644234179968.

The previous prime is 20121200102183. The next prime is 20121200102239. The reversal of 20121200102202 is 20220100212102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30235824 + ... + 30894132.

It is an arithmetic number, because the mean of its divisors is an integer number (1269356633550).

Almost surely, 2^{20121200102202} is an apocalyptic number.

20121200102202 is an abundant number, since it is smaller than the sum of its proper divisors (20498212171398).

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

20121200102202 is a wasteful number, since it uses less digits than its factorization.

20121200102202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706030.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20121200102202 its reverse (20220100212102), we get a palindrome (40341300314304).

The spelling of 20121200102202 in words is "twenty trillion, one hundred twenty-one billion, two hundred million, one hundred two thousand, two hundred two".