1247142490713 has 40 divisors (see below), whose sum is σ = 2135963105408. Its totient is φ = 710375904576.

The previous prime is 1247142490687. The next prime is 1247142490831. The reversal of 1247142490713 is 3170942417421.

1247142490713 is a `hidden beast` number, since 1 + 2 + 4 + 7 + 142 + 490 + 7 + 13 = 666.

It is not a de Polignac number, because 1247142490713 - 2¹⁰ = 1247142489689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1247142490513) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3336181 + ... + 3691122.

Almost surely, 2^{1247142490713} is an apocalyptic number.

It is an amenable number.

1247142490713 is a deficient number, since it is larger than the sum of its proper divisors (888820614695).

1247142490713 is an equidigital number, since it uses as much as digits as its factorization.

1247142490713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7027635 (or 7027626 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 1247142490713 in words is "one trillion, two hundred forty-seven billion, one hundred forty-two million, four hundred ninety thousand, seven hundred thirteen".