122100120200212 has 48 divisors (see below), whose sum is σ = 266410669916160. Its totient is φ = 47569616892000.

The previous prime is 122100120200173. The next prime is 122100120200213. The reversal of 122100120200212 is 212002021001221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122100120200213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165837 + ... + 15627787.

It is an arithmetic number, because the mean of its divisors is an integer number (5550222289920).

Almost surely, 2^{122100120200212} is an apocalyptic number.

It is an amenable number.

122100120200212 is an abundant number, since it is smaller than the sum of its proper divisors (144310549715948).

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

122100120200212 is a wasteful number, since it uses less digits than its factorization.

122100120200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15487612 (or 15487610 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122100120200212 its reverse (212002021001221), we get a palindrome (334102141201433).

The spelling of 122100120200212 in words is "one hundred twenty-two trillion, one hundred billion, one hundred twenty million, two hundred thousand, two hundred twelve".