122000220212100 has 72 divisors (see below), whose sum is σ = 353020435641888. Its totient is φ = 32530338432000.

The previous prime is 122000220212099. The next prime is 122000220212131. The reversal of 122000220212100 is 1212022000221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 122000220212100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15882726 + ... + 22276925.

Almost surely, 2^{122000220212100} is an apocalyptic number.

122000220212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122000220212100 is an abundant number, since it is smaller than the sum of its proper divisors (231020215429788).

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

122000220212100 is a wasteful number, since it uses less digits than its factorization.

122000220212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38170325 (or 38170318 counting only the distinct ones).

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

Adding to 122000220212100 its reverse (1212022000221), we get a palindrome (123212242212321).

The spelling of 122000220212100 in words is "one hundred twenty-two trillion, two hundred twenty million, two hundred twelve thousand, one hundred".