972202021132193 has 2 divisors, whose sum is σ = 972202021132194. Its totient is φ = 972202021132192.

The previous prime is 972202021132189. The next prime is 972202021132231. The reversal of 972202021132193 is 391231120202279.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 662701637112064 + 309500384020129 = 25742992^2 + 17592623^2 .

It is a cyclic number.

It is not a de Polignac number, because 972202021132193 - 2² = 972202021132189 is a prime.

It is not a weakly prime, because it can be changed into another prime (972202021131193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 486101010566096 + 486101010566097.

It is an arithmetic number, because the mean of its divisors is an integer number (486101010566097).

Almost surely, 2^{972202021132193} is an apocalyptic number.

It is an amenable number.

972202021132193 is a deficient number, since it is larger than the sum of its proper divisors (1).

972202021132193 is an equidigital number, since it uses as much as digits as its factorization.

972202021132193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 972202021132193 in words is "nine hundred seventy-two trillion, two hundred two billion, twenty-one million, one hundred thirty-two thousand, one hundred ninety-three".