2003312220012 has 72 divisors (see below), whose sum is σ = 5113898899200. Its totient is φ = 661183233120.

The previous prime is 2003312219989. The next prime is 2003312220029. The reversal of 2003312220012 is 2100222133002.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25542337 + ... + 25620647.

It is an arithmetic number, because the mean of its divisors is an integer number (71026373600).

Almost surely, 2^{2003312220012} is an apocalyptic number.

It is an amenable number.

2003312220012 is an abundant number, since it is smaller than the sum of its proper divisors (3110586679188).

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

2003312220012 is a wasteful number, since it uses less digits than its factorization.

2003312220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85323 (or 85318 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2003312220012 its reverse (2100222133002), we get a palindrome (4103534353014).

The spelling of 2003312220012 in words is "two trillion, three billion, three hundred twelve million, two hundred twenty thousand, twelve".