1202002011982 has 4 divisors (see below), whose sum is σ = 1803003017976. Its totient is φ = 601001005990.

The previous prime is 1202002011961. The next prime is 1202002011983. The reversal of 1202002011982 is 2891102002021.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1202002011982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202002011983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300500502994 + ... + 300500502997.

It is an arithmetic number, because the mean of its divisors is an integer number (450750754494).

Almost surely, 2^{1202002011982} is an apocalyptic number.

1202002011982 is a deficient number, since it is larger than the sum of its proper divisors (601001005994).

1202002011982 is an equidigital number, since it uses as much as digits as its factorization.

1202002011982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601001005993.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 1202002011982 in words is "one trillion, two hundred two billion, two million, eleven thousand, nine hundred eighty-two".