122200100212 has 24 divisors (see below), whose sum is σ = 219474988992. Its totient is φ = 59513697600.

The previous prime is 122200100189. The next prime is 122200100221. The reversal of 122200100212 is 212001002221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122200100192 and 122200100201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2568489 + ... + 2615632.

It is an arithmetic number, because the mean of its divisors is an integer number (9144791208).

Almost surely, 2^122200100212 is an apocalyptic number.

It is an amenable number.

122200100212 is a deficient number, since it is larger than the sum of its proper divisors (97274888780).

122200100212 is a wasteful number, since it uses less digits than its factorization.

122200100212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5184279 (or 5184277 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122200100212 its reverse (212001002221), we get a palindrome (334201102433).

The spelling of 122200100212 in words is "one hundred twenty-two billion, two hundred million, one hundred thousand, two hundred twelve".