122412232424431 has 4 divisors (see below), whose sum is σ = 122466613693864. Its totient is φ = 122357851155000.

The previous prime is 122412232424407. The next prime is 122412232424459. The reversal of 122412232424431 is 134424232214221.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122412232424431 is a prime.

It is a super-2 number, since 2×122412232424431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122412232424831) 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, 27190631340 + ... + 27190635841.

It is an arithmetic number, because the mean of its divisors is an integer number (30616653423466).

Almost surely, 2^{122412232424431} is an apocalyptic number.

122412232424431 is a deficient number, since it is larger than the sum of its proper divisors (54381269433).

122412232424431 is an equidigital number, since it uses as much as digits as its factorization.

122412232424431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54381269432.

The product of its digits is 147456, while the sum is 37.

Adding to 122412232424431 its reverse (134424232214221), we get a palindrome (256836464638652).

The spelling of 122412232424431 in words is "one hundred twenty-two trillion, four hundred twelve billion, two hundred thirty-two million, four hundred twenty-four thousand, four hundred thirty-one".