122215012 has 6 divisors (see below), whose sum is σ = 213876278. Its totient is φ = 61107504.

The previous prime is 122215007. The next prime is 122215061. The reversal of 122215012 is 210512221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 102090816 + 20124196 = 10104^2 + 4486^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15276873 + ... + 15276880.

Almost surely, 2^122215012 is an apocalyptic number.

It is an amenable number.

122215012 is a deficient number, since it is larger than the sum of its proper divisors (91661266).

122215012 is a wasteful number, since it uses less digits than its factorization.

122215012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30553757 (or 30553755 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 122215012 is about 11055.0898684723. The cubic root of 122215012 is about 496.2587587149.

Adding to 122215012 its reverse (210512221), we get a palindrome (332727233).

The spelling of 122215012 in words is "one hundred twenty-two million, two hundred fifteen thousand, twelve".