12542070019 has 2 divisors, whose sum is σ = 12542070020. Its totient is φ = 12542070018.

The previous prime is 12542069999. The next prime is 12542070049. The reversal of 12542070019 is 91007024521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12542070019 - 2¹⁵ = 12542037251 is a prime.

It is a super-2 number, since 2×12542070019² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12542070049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6271035009 + 6271035010.

It is an arithmetic number, because the mean of its divisors is an integer number (6271035010).

Almost surely, 2^12542070019 is an apocalyptic number.

12542070019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12542070019 is an equidigital number, since it uses as much as digits as its factorization.

12542070019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 12542070019 in words is "twelve billion, five hundred forty-two million, seventy thousand, nineteen".