32120210989 has 2 divisors, whose sum is σ = 32120210990. Its totient is φ = 32120210988.

The previous prime is 32120210981. The next prime is 32120211023. The reversal of 32120210989 is 98901202123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20784988900 + 11335222089 = 144170^2 + 106467^2 .

It is a cyclic number.

It is not a de Polignac number, because 32120210989 - 2³ = 32120210981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32120210981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16060105494 + 16060105495.

It is an arithmetic number, because the mean of its divisors is an integer number (16060105495).

Almost surely, 2^32120210989 is an apocalyptic number.

It is an amenable number.

32120210989 is a deficient number, since it is larger than the sum of its proper divisors (1).

32120210989 is an equidigital number, since it uses as much as digits as its factorization.

32120210989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 32120210989 in words is "thirty-two billion, one hundred twenty million, two hundred ten thousand, nine hundred eighty-nine".