122101100212 has 48 divisors (see below), whose sum is σ = 268354105600. Its totient is φ = 48303724896.

The previous prime is 122101100141. The next prime is 122101100257. The reversal of 122101100212 is 212001101221.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 122101100192 and 122101100201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3405048 + ... + 3440719.

Almost surely, 2^122101100212 is an apocalyptic number.

It is an amenable number.

122101100212 is an abundant number, since it is smaller than the sum of its proper divisors (146253005388).

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

122101100212 is a wasteful number, since it uses less digits than its factorization.

122101100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6845805 (or 6845789 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122101100212 its reverse (212001101221), we get a palindrome (334102201433).

The spelling of 122101100212 in words is "one hundred twenty-two billion, one hundred one million, one hundred thousand, two hundred twelve".