1002000123202 has 16 divisors (see below), whose sum is σ = 1618911020160. Its totient is φ = 462377184912.

The previous prime is 1002000123143. The next prime is 1002000123233. The reversal of 1002000123202 is 2023210002001.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3371802 + ... + 3656917.

It is an arithmetic number, because the mean of its divisors is an integer number (101181938760).

Almost surely, 2^{1002000123202} is an apocalyptic number.

1002000123202 is a deficient number, since it is larger than the sum of its proper divisors (616910896958).

1002000123202 is a wasteful number, since it uses less digits than its factorization.

1002000123202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7034217.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 1002000123202 its reverse (2023210002001), we get a palindrome (3025210125203).

The spelling of 1002000123202 in words is "one trillion, two billion, one hundred twenty-three thousand, two hundred two".