122122202451 has 8 divisors (see below), whose sum is σ = 166294063104. Its totient is φ = 79682571720.

The previous prime is 122122202401. The next prime is 122122202513. The reversal of 122122202451 is 154202221221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122122202451 - 2⁶ = 122122202387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122122202401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433057315 + ... + 433057596.

It is an arithmetic number, because the mean of its divisors is an integer number (20786757888).

Almost surely, 2^122122202451 is an apocalyptic number.

122122202451 is a deficient number, since it is larger than the sum of its proper divisors (44171860653).

122122202451 is an equidigital number, since it uses as much as digits as its factorization.

122122202451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866114961.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 122122202451 its reverse (154202221221), we get a palindrome (276324423672).

The spelling of 122122202451 in words is "one hundred twenty-two billion, one hundred twenty-two million, two hundred two thousand, four hundred fifty-one".