122218738148 has 48 divisors (see below), whose sum is σ = 240706878720. Its totient is φ = 53924500224.

The previous prime is 122218738141. The next prime is 122218738151. The reversal of 122218738148 is 841837812221.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (122218738141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 476393 + ... + 686576.

It is an arithmetic number, because the mean of its divisors is an integer number (5014726640).

Almost surely, 2^122218738148 is an apocalyptic number.

It is an amenable number.

122218738148 is a deficient number, since it is larger than the sum of its proper divisors (118488140572).

122218738148 is a wasteful number, since it uses less digits than its factorization.

122218738148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163076 (or 1163074 counting only the distinct ones).

The product of its digits is 344064, while the sum is 47.

The spelling of 122218738148 in words is "one hundred twenty-two billion, two hundred eighteen million, seven hundred thirty-eight thousand, one hundred forty-eight".