122201220102012 has 36 divisors (see below), whose sum is σ = 308897936805640. Its totient is φ = 40733686203552.

The previous prime is 122201220101881. The next prime is 122201220102061. The reversal of 122201220102012 is 210201022102221.

It is a happy number.

122201220102012 is a `hidden beast` number, since 12 + 220 + 1 + 220 + 10 + 201 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32934414 + ... + 36456522.

Almost surely, 2^{122201220102012} is an apocalyptic number.

122201220102012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122201220102012 is an abundant number, since it is smaller than the sum of its proper divisors (186696716703628).

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

122201220102012 is a wasteful number, since it uses less digits than its factorization.

122201220102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4485882 (or 4485877 counting only the distinct ones).

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

Adding to 122201220102012 its reverse (210201022102221), we get a palindrome (332402242204233).

The spelling of 122201220102012 in words is "one hundred twenty-two trillion, two hundred one billion, two hundred twenty million, one hundred two thousand, twelve".