32112213197 has 2 divisors, whose sum is σ = 32112213198. Its totient is φ = 32112213196.

The previous prime is 32112213193. The next prime is 32112213349. The reversal of 32112213197 is 79131221123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24707438596 + 7404774601 = 157186^2 + 86051^2 .

It is a cyclic number.

It is not a de Polignac number, because 32112213197 - 2² = 32112213193 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32112213193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16056106598 + 16056106599.

It is an arithmetic number, because the mean of its divisors is an integer number (16056106599).

Almost surely, 2^32112213197 is an apocalyptic number.

It is an amenable number.

32112213197 is a deficient number, since it is larger than the sum of its proper divisors (1).

32112213197 is an equidigital number, since it uses as much as digits as its factorization.

32112213197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

The spelling of 32112213197 in words is "thirty-two billion, one hundred twelve million, two hundred thirteen thousand, one hundred ninety-seven".