32121149197 has 2 divisors, whose sum is σ = 32121149198. Its totient is φ = 32121149196.

The previous prime is 32121149189. The next prime is 32121149209. The reversal of 32121149197 is 79194112123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31759160521 + 361988676 = 178211^2 + 19026^2 .

It is a cyclic number.

It is not a de Polignac number, because 32121149197 - 2³ = 32121149189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32121149107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16060574598 + 16060574599.

It is an arithmetic number, because the mean of its divisors is an integer number (16060574599).

Almost surely, 2^32121149197 is an apocalyptic number.

It is an amenable number.

32121149197 is a deficient number, since it is larger than the sum of its proper divisors (1).

32121149197 is an equidigital number, since it uses as much as digits as its factorization.

32121149197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 40.

The spelling of 32121149197 in words is "thirty-two billion, one hundred twenty-one million, one hundred forty-nine thousand, one hundred ninety-seven".