122120011212102 has 128 divisors (see below), whose sum is σ = 287560625264640. Its totient is φ = 38338304400000.

The previous prime is 122120011212037. The next prime is 122120011212131. The reversal of 122120011212102 is 201212110021221.

122120011212102 is a `hidden beast` number, since 1 + 221 + 200 + 11 + 21 + 210 + 2 = 666.

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 polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20015727 + ... + 25394277.

It is an arithmetic number, because the mean of its divisors is an integer number (2246567384880).

Almost surely, 2^{122120011212102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122120011212102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143780312632320).

122120011212102 is an abundant number, since it is smaller than the sum of its proper divisors (165440614052538).

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

122120011212102 is a wasteful number, since it uses less digits than its factorization.

122120011212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5378867 (or 5378861 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122120011212102 its reverse (201212110021221), we get a palindrome (323332121233323).

The spelling of 122120011212102 in words is "one hundred twenty-two trillion, one hundred twenty billion, eleven million, two hundred twelve thousand, one hundred two".