10012012002 has 24 divisors (see below), whose sum is σ = 21705770736.
Its totient is φ = 3335325336.
The previous prime is 10012011983. The next prime is 10012012037. The reversal of 10012012002 is 20021021001.
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 11 ways as a sum of consecutive naturals, for example, 136828 + ... + 196839.
It is an arithmetic number, because the mean of its divisors is an integer number (904407114).
Almost surely, 210012012002 is an apocalyptic number.
10012012002 is an abundant number, since it is smaller than the sum of its proper divisors (11693758734).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10012012002 is a wasteful number, since it uses less digits than its factorization.
10012012002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 335342 (or 335339 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 9.
Adding to 10012012002 its reverse (20021021001), we get a palindrome (30033033003).
The spelling of 10012012002 in words is "ten billion, twelve million, twelve thousand, two".