122420612 has 24 divisors (see below), whose sum is σ = 223964160. Its totient is φ = 58481280.

The previous prime is 122420609. The next prime is 122420659. The reversal of 122420612 is 216024221.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3548 + ... + 16044.

It is an arithmetic number, because the mean of its divisors is an integer number (9331840).

Almost surely, 2^122420612 is an apocalyptic number.

It is an amenable number.

122420612 is a deficient number, since it is larger than the sum of its proper divisors (101543548).

122420612 is a wasteful number, since it uses less digits than its factorization.

122420612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12611 (or 12609 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 122420612 is about 11064.3848450784. The cubic root of 122420612 is about 496.5368850479.

Adding to 122420612 its reverse (216024221), we get a palindrome (338444833).

The spelling of 122420612 in words is "one hundred twenty-two million, four hundred twenty thousand, six hundred twelve".