12031570501 has 2 divisors, whose sum is σ = 12031570502. Its totient is φ = 12031570500.

The previous prime is 12031570459. The next prime is 12031570541. The reversal of 12031570501 is 10507513021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11289062500 + 742508001 = 106250^2 + 27249^2 .

It is a cyclic number.

It is not a de Polignac number, because 12031570501 - 2¹⁹ = 12031046213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12031570541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015785250 + 6015785251.

It is an arithmetic number, because the mean of its divisors is an integer number (6015785251).

Almost surely, 2^12031570501 is an apocalyptic number.

It is an amenable number.

12031570501 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031570501 is an equidigital number, since it uses as much as digits as its factorization.

12031570501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1050, while the sum is 25.

The spelling of 12031570501 in words is "twelve billion, thirty-one million, five hundred seventy thousand, five hundred one".