1247130743011 has 2 divisors, whose sum is σ = 1247130743012. Its totient is φ = 1247130743010.

The previous prime is 1247130743003. The next prime is 1247130743051. The reversal of 1247130743011 is 1103470317421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1247130743011 - 2³ = 1247130743003 is a prime.

It is a super-2 number, since 2×1247130743011² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1247130743051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623565371505 + 623565371506.

It is an arithmetic number, because the mean of its divisors is an integer number (623565371506).

Almost surely, 2^{1247130743011} is an apocalyptic number.

1247130743011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1247130743011 is an equidigital number, since it uses as much as digits as its factorization.

1247130743011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 34.

The spelling of 1247130743011 in words is "one trillion, two hundred forty-seven billion, one hundred thirty million, seven hundred forty-three thousand, eleven".