122102212 has 6 divisors (see below), whose sum is σ = 213678878. Its totient is φ = 61051104.

The previous prime is 122102203. The next prime is 122102231. The reversal of 122102212 is 212201221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 121352256 + 749956 = 11016^2 + 866^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122102192 and 122102201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15262773 + ... + 15262780.

Almost surely, 2^122102212 is an apocalyptic number.

It is an amenable number.

122102212 is a deficient number, since it is larger than the sum of its proper divisors (91576666).

122102212 is a wasteful number, since it uses less digits than its factorization.

122102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30525557 (or 30525555 counting only the distinct ones).

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

The square root of 122102212 is about 11049.9869683181. The cubic root of 122102212 is about 496.1060354726.

Adding to 122102212 its reverse (212201221), we get a palindrome (334303433).

Subtracting 122102212 from its reverse (212201221), we obtain a palindrome (90099009).

The spelling of 122102212 in words is "one hundred twenty-two million, one hundred two thousand, two hundred twelve".