200012100001002 has 96 divisors (see below), whose sum is σ = 443495680303104. Its totient is φ = 65117305360800.

The previous prime is 200012100001001. The next prime is 200012100001031. The reversal of 200012100001002 is 200100001210002.

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

It is not an unprimeable number, because it can be changed into a prime (200012100001001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 794231727 + ... + 794483517.

It is an arithmetic number, because the mean of its divisors is an integer number (4619746669824).

Almost surely, 2^{200012100001002} is an apocalyptic number.

200012100001002 is an abundant number, since it is smaller than the sum of its proper divisors (243483580302102).

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

200012100001002 is a wasteful number, since it uses less digits than its factorization.

200012100001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253784 (or 253781 counting only the distinct ones).

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

Adding to 200012100001002 its reverse (200100001210002), we get a palindrome (400112101211004).

The spelling of 200012100001002 in words is "two hundred trillion, twelve billion, one hundred million, one thousand, two".