1012438342099 has 2 divisors, whose sum is σ = 1012438342100. Its totient is φ = 1012438342098.

The previous prime is 1012438342049. The next prime is 1012438342103. The reversal of 1012438342099 is 9902438342101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012438342099 - 2³⁹ = 462682528211 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012438342049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506219171049 + 506219171050.

It is an arithmetic number, because the mean of its divisors is an integer number (506219171050).

Almost surely, 2^{1012438342099} is an apocalyptic number.

1012438342099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012438342099 is an equidigital number, since it uses as much as digits as its factorization.

1012438342099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 1012438342099 in words is "one trillion, twelve billion, four hundred thirty-eight million, three hundred forty-two thousand, ninety-nine".