3012221223200 has 144 divisors (see below), whose sum is σ = 8409352017024. Its totient is φ = 1032115814400.

The previous prime is 3012221223199. The next prime is 3012221223227. The reversal of 3012221223200 is 23221222103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 8831840 + ... + 9166560.

It is an arithmetic number, because the mean of its divisors is an integer number (58398277896).

Almost surely, 2^{3012221223200} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3012221223200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4204676008512).

3012221223200 is an abundant number, since it is smaller than the sum of its proper divisors (5397130793824).

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

3012221223200 is a wasteful number, since it uses less digits than its factorization.

3012221223200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336355 (or 336342 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 3012221223200 its reverse (23221222103), we get a palindrome (3035442445303).

The spelling of 3012221223200 in words is "three trillion, twelve billion, two hundred twenty-one million, two hundred twenty-three thousand, two hundred".