122220512 has 24 divisors (see below), whose sum is σ = 241414992. Its totient is φ = 60908800.

The previous prime is 122220503. The next prime is 122220517. The reversal of 122220512 is 215022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3812 + ... + 16092.

It is an arithmetic number, because the mean of its divisors is an integer number (10058958).

Almost surely, 2^122220512 is an apocalyptic number.

It is an amenable number.

122220512 is a deficient number, since it is larger than the sum of its proper divisors (119194480).

122220512 is a wasteful number, since it uses less digits than its factorization.

122220512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12602 (or 12594 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 122220512 is about 11055.3386198705. The cubic root of 122220512 is about 496.2662029238.

Adding to 122220512 its reverse (215022221), we get a palindrome (337242733).

The spelling of 122220512 in words is "one hundred twenty-two million, two hundred twenty thousand, five hundred twelve".