122345120345131 has 4 divisors (see below), whose sum is σ = 125329147670664. Its totient is φ = 119361093019600.

The previous prime is 122345120345101. The next prime is 122345120345191. The reversal of 122345120345131 is 131543021543221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122345120345131 - 2⁴⁵ = 87160748256299 is a prime.

It is a super-2 number, since 2×122345120345131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122345120345101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1492013662705 + ... + 1492013662786.

It is an arithmetic number, because the mean of its divisors is an integer number (31332286917666).

Almost surely, 2^{122345120345131} is an apocalyptic number.

122345120345131 is a deficient number, since it is larger than the sum of its proper divisors (2984027325533).

122345120345131 is an equidigital number, since it uses as much as digits as its factorization.

122345120345131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2984027325532.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 122345120345131 its reverse (131543021543221), we get a palindrome (253888141888352).

The spelling of 122345120345131 in words is "one hundred twenty-two trillion, three hundred forty-five billion, one hundred twenty million, three hundred forty-five thousand, one hundred thirty-one".