122464812 has 12 divisors (see below), whose sum is σ = 285751256. Its totient is φ = 40821600.

The previous prime is 122464777. The next prime is 122464813. The reversal of 122464812 is 218464221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 122464812.

It is not an unprimeable number, because it can be changed into a prime (122464813) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 5102689 + ... + 5102712.

Almost surely, 2^122464812 is an apocalyptic number.

122464812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122464812 is an abundant number, since it is smaller than the sum of its proper divisors (163286444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122464812 is a wasteful number, since it uses less digits than its factorization.

122464812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10205408 (or 10205406 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 122464812 is about 11066.3820646135. The cubic root of 122464812 is about 496.5966361230.

The spelling of 122464812 in words is "one hundred twenty-two million, four hundred sixty-four thousand, eight hundred twelve".