122345571948 has 12 divisors (see below), whose sum is σ = 285473001240. Its totient is φ = 40781857312.

The previous prime is 122345571919. The next prime is 122345571949. The reversal of 122345571948 is 849175543221.

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

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 122345571948.

It is not an unprimeable number, because it can be changed into a prime (122345571949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5097732153 + ... + 5097732176.

It is an arithmetic number, because the mean of its divisors is an integer number (23789416770).

Almost surely, 2^122345571948 is an apocalyptic number.

It is an amenable number.

122345571948 is an abundant number, since it is smaller than the sum of its proper divisors (163127429292).

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

122345571948 is a wasteful number, since it uses less digits than its factorization.

122345571948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10195464336 (or 10195464334 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 51.

The spelling of 122345571948 in words is "one hundred twenty-two billion, three hundred forty-five million, five hundred seventy-one thousand, nine hundred forty-eight".