999120032333213 has 4 divisors (see below), whose sum is σ = 1141851465523680. Its totient is φ = 856388599142748.

The previous prime is 999120032333173. The next prime is 999120032333219. The reversal of 999120032333213 is 312333230021999.

It is a happy number.

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 not a de Polignac number, because 999120032333213 - 2¹⁸ = 999120032071069 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 (999120032333219) 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, 71365716595223 + ... + 71365716595236.

It is an arithmetic number, because the mean of its divisors is an integer number (285462866380920).

Almost surely, 2^{999120032333213} is an apocalyptic number.

It is an amenable number.

999120032333213 is a deficient number, since it is larger than the sum of its proper divisors (142731433190467).

999120032333213 is a wasteful number, since it uses less digits than its factorization.

999120032333213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142731433190466.

The product of its (nonzero) digits is 1417176, while the sum is 50.

The spelling of 999120032333213 in words is "nine hundred ninety-nine trillion, one hundred twenty billion, thirty-two million, three hundred thirty-three thousand, two hundred thirteen".