122212012 has 36 divisors (see below), whose sum is σ = 232701336. Its totient is φ = 56135040.

The previous prime is 122212007. The next prime is 122212043. The reversal of 122212012 is 210212221.

It is a happy number.

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 = 122211983 and 122212001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234312 + ... + 234832.

It is an arithmetic number, because the mean of its divisors is an integer number (6463926).

Almost surely, 2^122212012 is an apocalyptic number.

It is an amenable number.

122212012 is a deficient number, since it is larger than the sum of its proper divisors (110489324).

122212012 is a wasteful number, since it uses less digits than its factorization.

122212012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 883 counting only the distinct ones).

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

The square root of 122212012 is about 11054.9541835324. The cubic root of 122212012 is about 496.2546981432.

Adding to 122212012 its reverse (210212221), we get a palindrome (332424233).

The spelling of 122212012 in words is "one hundred twenty-two million, two hundred twelve thousand, twelve".