1252332430381 has 2 divisors, whose sum is σ = 1252332430382. Its totient is φ = 1252332430380.

The previous prime is 1252332430339. The next prime is 1252332430411. The reversal of 1252332430381 is 1830342332521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1229679170281 + 22653260100 = 1108909^2 + 150510^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252332430381 - 2¹³ = 1252332422189 is a prime.

It is a super-2 number, since 2×1252332430381² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1252332430381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252332430681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626166215190 + 626166215191.

It is an arithmetic number, because the mean of its divisors is an integer number (626166215191).

Almost surely, 2^{1252332430381} is an apocalyptic number.

It is an amenable number.

1252332430381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252332430381 is an equidigital number, since it uses as much as digits as its factorization.

1252332430381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 1252332430381 in words is "one trillion, two hundred fifty-two billion, three hundred thirty-two million, four hundred thirty thousand, three hundred eighty-one".