1202243013239 has 4 divisors (see below), whose sum is σ = 1211018509824. Its totient is φ = 1193467516656.

The previous prime is 1202243013187. The next prime is 1202243013263. The reversal of 1202243013239 is 9323103422021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202243013239 is a prime.

It is a super-2 number, since 2×1202243013239² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202243033239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4387748087 + ... + 4387748360.

It is an arithmetic number, because the mean of its divisors is an integer number (302754627456).

Almost surely, 2^{1202243013239} is an apocalyptic number.

1202243013239 is a deficient number, since it is larger than the sum of its proper divisors (8775496585).

1202243013239 is an equidigital number, since it uses as much as digits as its factorization.

1202243013239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8775496584.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 1202243013239 in words is "one trillion, two hundred two billion, two hundred forty-three million, thirteen thousand, two hundred thirty-nine".