1203242039999 has 4 divisors (see below), whose sum is σ = 1266570568440. Its totient is φ = 1139913511560.

The previous prime is 1203242039977. The next prime is 1203242040001. The reversal of 1203242039999 is 9999302423021.

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

It is a cyclic number.

It is not a de Polignac number, because 1203242039999 - 2¹⁶ = 1203241974463 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1203242039999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203242039299) 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, 31664264192 + ... + 31664264229.

It is an arithmetic number, because the mean of its divisors is an integer number (316642642110).

Almost surely, 2^{1203242039999} is an apocalyptic number.

1203242039999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1203242039999 is a deficient number, since it is larger than the sum of its proper divisors (63328528441).

1203242039999 is an equidigital number, since it uses as much as digits as its factorization.

1203242039999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63328528440.

The product of its (nonzero) digits is 1889568, while the sum is 53.

The spelling of 1203242039999 in words is "one trillion, two hundred three billion, two hundred forty-two million, thirty-nine thousand, nine hundred ninety-nine".