1112121201239 has 2 divisors, whose sum is σ = 1112121201240. Its totient is φ = 1112121201238.

The previous prime is 1112121201197. The next prime is 1112121201241. The reversal of 1112121201239 is 9321021212111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1112121201239 - 2¹⁶ = 1112121135703 is a prime.

It is a Sophie Germain prime.

Together with 1112121201241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112121201739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556060600619 + 556060600620.

It is an arithmetic number, because the mean of its divisors is an integer number (556060600620).

Almost surely, 2^{1112121201239} is an apocalyptic number.

1112121201239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112121201239 is an equidigital number, since it uses as much as digits as its factorization.

1112121201239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 1112121201239 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, two hundred one thousand, two hundred thirty-nine".