2102002020012 has 24 divisors (see below), whose sum is σ = 4904707483312. Its totient is φ = 700662182400.

The previous prime is 2102002019993. The next prime is 2102002020017. The reversal of 2102002020012 is 2100202002012.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2102002020012.

It is not an unprimeable number, because it can be changed into a prime (2102002020017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1284312 + ... + 2419392.

Almost surely, 2^{2102002020012} is an apocalyptic number.

It is an amenable number.

2102002020012 is an abundant number, since it is smaller than the sum of its proper divisors (2802705463300).

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

2102002020012 is a wasteful number, since it uses less digits than its factorization.

2102002020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289409 (or 1289407 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2102002020012 its reverse (2100202002012), we get a palindrome (4202204022024).

The spelling of 2102002020012 in words is "two trillion, one hundred two billion, two million, twenty thousand, twelve".