122513212 has 6 divisors (see below), whose sum is σ = 214398128. Its totient is φ = 61256604.

The previous prime is 122513201. The next prime is 122513213. The reversal of 122513212 is 212315221.

It is a super-2 number, since 2×122513212² = 30018974229113888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122513212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122513213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15314148 + ... + 15314155.

Almost surely, 2^122513212 is an apocalyptic number.

It is an amenable number.

122513212 is a deficient number, since it is larger than the sum of its proper divisors (91884916).

122513212 is a wasteful number, since it uses less digits than its factorization.

122513212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30628307 (or 30628305 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 122513212 is about 11068.5686518176. The cubic root of 122513212 is about 496.6620484133.

Adding to 122513212 its reverse (212315221), we get a palindrome (334828433).

The spelling of 122513212 in words is "one hundred twenty-two million, five hundred thirteen thousand, two hundred twelve".