201220300000122 has 32 divisors (see below), whose sum is σ = 442618794116352. Its totient is φ = 60596620620864.

The previous prime is 201220300000087. The next prime is 201220300000229. The reversal of 201220300000122 is 221000003022102.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27444117993 + ... + 27444125324.

It is an arithmetic number, because the mean of its divisors is an integer number (13831837316136).

Almost surely, 2^{201220300000122} is an apocalyptic number.

201220300000122 is an abundant number, since it is smaller than the sum of its proper divisors (241398494116230).

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

201220300000122 is a wasteful number, since it uses less digits than its factorization.

201220300000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54888243382.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 201220300000122 its reverse (221000003022102), we get a palindrome (422220303022224).

The spelling of 201220300000122 in words is "two hundred one trillion, two hundred twenty billion, three hundred million, one hundred twenty-two", and thus it is an aban number.