122216401456 has 20 divisors (see below), whose sum is σ = 237384799704. Its totient is φ = 60955808000.

The previous prime is 122216401441. The next prime is 122216401487. The reversal of 122216401456 is 654104612221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9517930 + ... + 9530761.

Almost surely, 2^122216401456 is an apocalyptic number.

122216401456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122216401456 is a deficient number, since it is larger than the sum of its proper divisors (115168398248).

122216401456 is a wasteful number, since it uses less digits than its factorization.

122216401456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19049100 (or 19049094 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 122216401456 in words is "one hundred twenty-two billion, two hundred sixteen million, four hundred one thousand, four hundred fifty-six".