12000100021002 has 64 divisors (see below), whose sum is σ = 28086378255360. Its totient is φ = 3790360685232.

The previous prime is 12000100020983. The next prime is 12000100021031. The reversal of 12000100021002 is 20012000100021.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45016248 + ... + 45282035.

It is an arithmetic number, because the mean of its divisors is an integer number (438849660240).

Almost surely, 2^{12000100021002} is an apocalyptic number.

12000100021002 is an abundant number, since it is smaller than the sum of its proper divisors (16086278234358).

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

12000100021002 is a wasteful number, since it uses less digits than its factorization.

12000100021002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90298424 (or 90298418 counting only the distinct ones).

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

Adding to 12000100021002 its reverse (20012000100021), we get a palindrome (32012100121023).

The spelling of 12000100021002 in words is "twelve trillion, one hundred million, twenty-one thousand, two".