1002000120102 has 24 divisors (see below), whose sum is σ = 2171097878040. Its totient is φ = 333985021920.

The previous prime is 1002000120041. The next prime is 1002000120119. The reversal of 1002000120102 is 2010210002001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 836352 + ... + 1644227.

It is an arithmetic number, because the mean of its divisors is an integer number (90462411585).

Almost surely, 2^{1002000120102} is an apocalyptic number.

1002000120102 is an abundant number, since it is smaller than the sum of its proper divisors (1169097757938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002000120102 is a wasteful number, since it uses less digits than its factorization.

1002000120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503028 (or 2503025 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1002000120102 its reverse (2010210002001), we get a palindrome (3012210122103).

The spelling of 1002000120102 in words is "one trillion, two billion, one hundred twenty thousand, one hundred two".