12320032212989 has 4 divisors (see below), whose sum is σ = 12320062645920. Its totient is φ = 12320001780060.

The previous prime is 12320032212949. The next prime is 12320032213019. The reversal of 12320032212989 is 98921223002321.

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 a de Polignac number, because none of the positive numbers 2^k-12320032212989 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 (12320032212949) 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, 14600927 + ... + 15421644.

It is an arithmetic number, because the mean of its divisors is an integer number (3080015661480).

Almost surely, 2^{12320032212989} is an apocalyptic number.

It is an amenable number.

12320032212989 is a deficient number, since it is larger than the sum of its proper divisors (30432931).

12320032212989 is an equidigital number, since it uses as much as digits as its factorization.

12320032212989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30432930.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 12320032212989 in words is "twelve trillion, three hundred twenty billion, thirty-two million, two hundred twelve thousand, nine hundred eighty-nine".