20121022001202 has 64 divisors (see below), whose sum is σ = 43454349649920. Its totient is φ = 6190605900864.

The previous prime is 20121022001117. The next prime is 20121022001231. The reversal of 20121022001202 is 20210022012102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3223498 + ... + 7115685.

It is an arithmetic number, because the mean of its divisors is an integer number (678974213280).

Almost surely, 2^{20121022001202} is an apocalyptic number.

20121022001202 is an abundant number, since it is smaller than the sum of its proper divisors (23333327648718).

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

20121022001202 is a wasteful number, since it uses less digits than its factorization.

20121022001202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10339647.

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

Adding to 20121022001202 its reverse (20210022012102), we get a palindrome (40331044013304).

The spelling of 20121022001202 in words is "twenty trillion, one hundred twenty-one billion, twenty-two million, one thousand, two hundred two".