32122220993 has 2 divisors, whose sum is σ = 32122220994. Its totient is φ = 32122220992.

The previous prime is 32122220989. The next prime is 32122221023. The reversal of 32122220993 is 39902222123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31466502544 + 655718449 = 177388^2 + 25607^2 .

It is a cyclic number.

It is not a de Polignac number, because 32122220993 - 2² = 32122220989 is a prime.

It is not a weakly prime, because it can be changed into another prime (32122220983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16061110496 + 16061110497.

It is an arithmetic number, because the mean of its divisors is an integer number (16061110497).

Almost surely, 2^32122220993 is an apocalyptic number.

It is an amenable number.

32122220993 is a deficient number, since it is larger than the sum of its proper divisors (1).

32122220993 is an equidigital number, since it uses as much as digits as its factorization.

32122220993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 32122220993 in words is "thirty-two billion, one hundred twenty-two million, two hundred twenty thousand, nine hundred ninety-three".