122782881299 has 4 divisors (see below), whose sum is σ = 132227718336. Its totient is φ = 113338044264.

The previous prime is 122782881283. The next prime is 122782881313. The reversal of 122782881299 is 992188287221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122782881299 - 2⁴ = 122782881283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122782881209) 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, 4722418499 + ... + 4722418524.

It is an arithmetic number, because the mean of its divisors is an integer number (33056929584).

Almost surely, 2^122782881299 is an apocalyptic number.

122782881299 is a deficient number, since it is larger than the sum of its proper divisors (9444837037).

122782881299 is an equidigital number, since it uses as much as digits as its factorization.

122782881299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9444837036.

The product of its digits is 4644864, while the sum is 59.

The spelling of 122782881299 in words is "one hundred twenty-two billion, seven hundred eighty-two million, eight hundred eighty-one thousand, two hundred ninety-nine".