1202979383999 has 4 divisors (see below), whose sum is σ = 1266294088440. Its totient is φ = 1139664679560.

The previous prime is 1202979383989. The next prime is 1202979384029. The reversal of 1202979383999 is 9993839792021.

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 1202979383999 - 2²⁰ = 1202978335423 is a prime.

It is a super-2 number, since 2×1202979383999² (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 (1202979383929) 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, 31657352192 + ... + 31657352229.

It is an arithmetic number, because the mean of its divisors is an integer number (316573522110).

Almost surely, 2^{1202979383999} is an apocalyptic number.

1202979383999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1202979383999 is a deficient number, since it is larger than the sum of its proper divisors (63314704441).

1202979383999 is an equidigital number, since it uses as much as digits as its factorization.

1202979383999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63314704440.

The product of its (nonzero) digits is 119042784, while the sum is 71.

The spelling of 1202979383999 in words is "one trillion, two hundred two billion, nine hundred seventy-nine million, three hundred eighty-three thousand, nine hundred ninety-nine".