122838961172 has 12 divisors (see below), whose sum is σ = 217558160736. Its totient is φ = 60679486680.

The previous prime is 122838961129. The next prime is 122838961187. The reversal of 122838961172 is 271169838221.

122838961172 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×122838961172² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122838961172.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184998104 + ... + 184998767.

It is an arithmetic number, because the mean of its divisors is an integer number (18129846728).

Almost surely, 2^122838961172 is an apocalyptic number.

It is an amenable number.

122838961172 is a deficient number, since it is larger than the sum of its proper divisors (94719199564).

122838961172 is a wasteful number, since it uses less digits than its factorization.

122838961172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369996958 (or 369996956 counting only the distinct ones).

The product of its digits is 580608, while the sum is 50.

The spelling of 122838961172 in words is "one hundred twenty-two billion, eight hundred thirty-eight million, nine hundred sixty-one thousand, one hundred seventy-two".