120866264893 has 4 divisors (see below), whose sum is σ = 131854107168. Its totient is φ = 109878422620.

The previous prime is 120866264891. The next prime is 120866264929. The reversal of 120866264893 is 398462668021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120866264893 - 2¹ = 120866264891 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 (120866264891) 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, 5493921121 + ... + 5493921142.

It is an arithmetic number, because the mean of its divisors is an integer number (32963526792).

Almost surely, 2^120866264893 is an apocalyptic number.

It is an amenable number.

120866264893 is a deficient number, since it is larger than the sum of its proper divisors (10987842275).

120866264893 is a wasteful number, since it uses less digits than its factorization.

120866264893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10987842274.

The product of its (nonzero) digits is 5971968, while the sum is 55.

The spelling of 120866264893 in words is "one hundred twenty billion, eight hundred sixty-six million, two hundred sixty-four thousand, eight hundred ninety-three".