122102412431 has 4 divisors (see below), whose sum is σ = 122166442872. Its totient is φ = 122038381992.

The previous prime is 122102412427. The next prime is 122102412457. The reversal of 122102412431 is 134214201221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134214201221 = 17 ⋅7894953013.

It is a cyclic number.

It is not a de Polignac number, because 122102412431 - 2² = 122102412427 is a prime.

It is a super-2 number, since 2×122102412431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122102412397 and 122102412406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122102412031) 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, 32012360 + ... + 32016173.

It is an arithmetic number, because the mean of its divisors is an integer number (30541610718).

Almost surely, 2^122102412431 is an apocalyptic number.

122102412431 is a deficient number, since it is larger than the sum of its proper divisors (64030441).

122102412431 is an equidigital number, since it uses as much as digits as its factorization.

122102412431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64030440.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 122102412431 its reverse (134214201221), we get a palindrome (256316613652).

The spelling of 122102412431 in words is "one hundred twenty-two billion, one hundred two million, four hundred twelve thousand, four hundred thirty-one".