122077205431 has 2 divisors, whose sum is σ = 122077205432. Its totient is φ = 122077205430.

The previous prime is 122077205429. The next prime is 122077205449. The reversal of 122077205431 is 134502770221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122077205431 - 2¹ = 122077205429 is a prime.

It is a super-2 number, since 2×122077205431² (a number of 23 digits) contains 22 as substring.

Together with 122077205429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122077205491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61038602715 + 61038602716.

It is an arithmetic number, because the mean of its divisors is an integer number (61038602716).

Almost surely, 2^122077205431 is an apocalyptic number.

122077205431 is a deficient number, since it is larger than the sum of its proper divisors (1).

122077205431 is an equidigital number, since it uses as much as digits as its factorization.

122077205431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 34.

Adding to 122077205431 its reverse (134502770221), we get a palindrome (256579975652).

The spelling of 122077205431 in words is "one hundred twenty-two billion, seventy-seven million, two hundred five thousand, four hundred thirty-one".