122988612 has 12 divisors (see below), whose sum is σ = 286973456. Its totient is φ = 40996200.

The previous prime is 122988601. The next prime is 122988637. The reversal of 122988612 is 216889221.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5124514 + ... + 5124537.

Almost surely, 2^122988612 is an apocalyptic number.

122988612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122988612 is an abundant number, since it is smaller than the sum of its proper divisors (163984844).

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

122988612 is a wasteful number, since it uses less digits than its factorization.

122988612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10249058 (or 10249056 counting only the distinct ones).

The product of its digits is 27648, while the sum is 39.

The square root of 122988612 is about 11090.0230838353. The cubic root of 122988612 is about 497.3036346998.

It can be divided in two parts, 12298 and 8612, that added together give a triangular number (20910 = T₂₀₄).

The spelling of 122988612 in words is "one hundred twenty-two million, nine hundred eighty-eight thousand, six hundred twelve".