32012111993 has 2 divisors, whose sum is σ = 32012111994. Its totient is φ = 32012111992.

The previous prime is 32012111951. The next prime is 32012112017. The reversal of 32012111993 is 39911121023.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31489212304 + 522899689 = 177452^2 + 22867^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32012111993 is a prime.

It is not a weakly prime, because it can be changed into another prime (32012111293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16006055996 + 16006055997.

It is an arithmetic number, because the mean of its divisors is an integer number (16006055997).

Almost surely, 2^32012111993 is an apocalyptic number.

It is an amenable number.

32012111993 is a deficient number, since it is larger than the sum of its proper divisors (1).

32012111993 is an equidigital number, since it uses as much as digits as its factorization.

32012111993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 32.

The spelling of 32012111993 in words is "thirty-two billion, twelve million, one hundred eleven thousand, nine hundred ninety-three".