121352202397 has 2 divisors, whose sum is σ = 121352202398. Its totient is φ = 121352202396.

The previous prime is 121352202359. The next prime is 121352202473. The reversal of 121352202397 is 793202253121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91582495876 + 29769706521 = 302626^2 + 172539^2 .

It is a cyclic number.

It is not a de Polignac number, because 121352202397 - 2³⁵ = 86992464029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121352200397) 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, 60676101198 + 60676101199.

It is an arithmetic number, because the mean of its divisors is an integer number (60676101199).

Almost surely, 2^121352202397 is an apocalyptic number.

It is an amenable number.

121352202397 is a deficient number, since it is larger than the sum of its proper divisors (1).

121352202397 is an equidigital number, since it uses as much as digits as its factorization.

121352202397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 121352202397 in words is "one hundred twenty-one billion, three hundred fifty-two million, two hundred two thousand, three hundred ninety-seven".