3112221002000 has 80 divisors (see below), whose sum is σ = 8209473202944. Its totient is φ = 1131716720000.

The previous prime is 3112221001991. The next prime is 3112221002017. The reversal of 3112221002000 is 2001222113.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×3112221002000³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70710296 + ... + 70754295.

Almost surely, 2^{3112221002000} is an apocalyptic number.

It is an amenable number.

3112221002000 is an abundant number, since it is smaller than the sum of its proper divisors (5097252200944).

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

3112221002000 is a wasteful number, since it uses less digits than its factorization.

3112221002000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141464625 (or 141464609 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 3112221002000 its reverse (2001222113), we get a palindrome (3114222224113).

The spelling of 3112221002000 in words is "three trillion, one hundred twelve billion, two hundred twenty-one million, two thousand".