122377803278721 has 8 divisors (see below), whose sum is σ = 172768663452384. Its totient is φ = 76786072645440.

The previous prime is 122377803278707. The next prime is 122377803278723. The reversal of 122377803278721 is 127872308773221.

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

It is not a de Polignac number, because 122377803278721 - 2⁴⁵ = 87193431189889 is a prime.

It is a super-2 number, since 2×122377803278721² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122377803278723) 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, 1199782385035 + ... + 1199782385136.

It is an arithmetic number, because the mean of its divisors is an integer number (21596082931548).

Almost surely, 2^{122377803278721} is an apocalyptic number.

It is an amenable number.

122377803278721 is a deficient number, since it is larger than the sum of its proper divisors (50390860173663).

122377803278721 is a wasteful number, since it uses less digits than its factorization.

122377803278721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399564770191.

The product of its (nonzero) digits is 22127616, while the sum is 60.

The spelling of 122377803278721 in words is "one hundred twenty-two trillion, three hundred seventy-seven billion, eight hundred three million, two hundred seventy-eight thousand, seven hundred twenty-one".