123011122299 has 32 divisors (see below), whose sum is σ = 183100780800. Its totient is φ = 72964789632.

The previous prime is 123011122261. The next prime is 123011122309. The reversal of 123011122299 is 992221110321.

It is not a de Polignac number, because 123011122299 - 2⁸ = 123011122043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123011122499) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 243949 + ... + 552750.

It is an arithmetic number, because the mean of its divisors is an integer number (5721899400).

Almost surely, 2^123011122299 is an apocalyptic number.

123011122299 is a deficient number, since it is larger than the sum of its proper divisors (60089658501).

123011122299 is a wasteful number, since it uses less digits than its factorization.

123011122299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796859.

The product of its (nonzero) digits is 3888, while the sum is 33.

The spelling of 123011122299 in words is "one hundred twenty-three billion, eleven million, one hundred twenty-two thousand, two hundred ninety-nine".