122456656444 has 48 divisors (see below), whose sum is σ = 234853952256. Its totient is φ = 55617868800.

The previous prime is 122456656411. The next prime is 122456656459. The reversal of 122456656444 is 444656654221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 708414 + ... + 864154.

It is an arithmetic number, because the mean of its divisors is an integer number (4892790672).

Almost surely, 2^122456656444 is an apocalyptic number.

It is an amenable number.

122456656444 is a deficient number, since it is larger than the sum of its proper divisors (112397295812).

122456656444 is a wasteful number, since it uses less digits than its factorization.

122456656444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156166 (or 156164 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 49.

The spelling of 122456656444 in words is "one hundred twenty-two billion, four hundred fifty-six million, six hundred fifty-six thousand, four hundred forty-four".