122130212 has 12 divisors (see below), whose sum is σ = 214646796. Its totient is φ = 60802560.

The previous prime is 122130199. The next prime is 122130251. The reversal of 122130212 is 212031221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10278436 + 111851776 = 3206^2 + 10576^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64589 + ... + 66452.

It is an arithmetic number, because the mean of its divisors is an integer number (17887233).

Almost surely, 2^122130212 is an apocalyptic number.

It is an amenable number.

122130212 is a deficient number, since it is larger than the sum of its proper divisors (92516584).

122130212 is a wasteful number, since it uses less digits than its factorization.

122130212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131278 (or 131276 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 122130212 is about 11051.2538655123. The cubic root of 122130212 is about 496.1439542705.

Adding to 122130212 its reverse (212031221), we get a palindrome (334161433).

The spelling of 122130212 in words is "one hundred twenty-two million, one hundred thirty thousand, two hundred twelve".