122345650279 has 4 divisors (see below), whose sum is σ = 123309001984. Its totient is φ = 121382298576.

The previous prime is 122345650267. The next prime is 122345650333. The reversal of 122345650279 is 972056543221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 972056543221 = 1039 ⋅935569339.

It is a cyclic number.

It is not a de Polignac number, because 122345650279 - 2³³ = 113755715687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122345650579) 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, 481675662 + ... + 481675915.

It is an arithmetic number, because the mean of its divisors is an integer number (30827250496).

Almost surely, 2^122345650279 is an apocalyptic number.

122345650279 is a deficient number, since it is larger than the sum of its proper divisors (963351705).

122345650279 is an equidigital number, since it uses as much as digits as its factorization.

122345650279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963351704.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 122345650279 in words is "one hundred twenty-two billion, three hundred forty-five million, six hundred fifty thousand, two hundred seventy-nine".