122072722077 has 8 divisors (see below), whose sum is σ = 164343859264. Its totient is φ = 80591699808.

The previous prime is 122072722067. The next prime is 122072722097. The reversal of 122072722077 is 770227270221.

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

It is not a de Polignac number, because 122072722077 - 2²² = 122068527773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122072722067) 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, 197528368 + ... + 197528985.

It is an arithmetic number, because the mean of its divisors is an integer number (20542982408).

Almost surely, 2^122072722077 is an apocalyptic number.

It is an amenable number.

122072722077 is a deficient number, since it is larger than the sum of its proper divisors (42271137187).

122072722077 is a wasteful number, since it uses less digits than its factorization.

122072722077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395057459.

The product of its (nonzero) digits is 76832, while the sum is 39.

Adding to 122072722077 its reverse (770227270221), we get a palindrome (892299992298).

The spelling of 122072722077 in words is "one hundred twenty-two billion, seventy-two million, seven hundred twenty-two thousand, seventy-seven".