122219514945 has 48 divisors (see below), whose sum is σ = 231272496000. Its totient is φ = 59215253760.

The previous prime is 122219514869. The next prime is 122219514973. The reversal of 122219514945 is 549415912221.

122219514945 is a `hidden beast` number, since 1 + 22 + 21 + 9 + 514 + 94 + 5 = 666.

It is not a de Polignac number, because 122219514945 - 2³³ = 113629580353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 122219514945.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 604261 + ... + 780749.

It is an arithmetic number, because the mean of its divisors is an integer number (4818177000).

Almost surely, 2^122219514945 is an apocalyptic number.

122219514945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122219514945 is a deficient number, since it is larger than the sum of its proper divisors (109052981055).

122219514945 is a wasteful number, since it uses less digits than its factorization.

122219514945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177910 (or 177907 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The spelling of 122219514945 in words is "one hundred twenty-two billion, two hundred nineteen million, five hundred fourteen thousand, nine hundred forty-five".