1213042042907 has 2 divisors, whose sum is σ = 1213042042908. Its totient is φ = 1213042042906.

The previous prime is 1213042042889. The next prime is 1213042043027. The reversal of 1213042042907 is 7092402403121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213042042907 - 2¹⁴ = 1213042026523 is a prime.

It is not a weakly prime, because it can be changed into another prime (1213042045907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606521021453 + 606521021454.

It is an arithmetic number, because the mean of its divisors is an integer number (606521021454).

Almost surely, 2^{1213042042907} is an apocalyptic number.

1213042042907 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213042042907 is an equidigital number, since it uses as much as digits as its factorization.

1213042042907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 1213042042907 in words is "one trillion, two hundred thirteen billion, forty-two million, forty-two thousand, nine hundred seven".