2012001220332 has 96 divisors (see below), whose sum is σ = 5392947087360. Its totient is φ = 648022576320.

The previous prime is 2012001220319. The next prime is 2012001220351. The reversal of 2012001220332 is 2330221002102.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1685458 + ... + 2620070.

It is an arithmetic number, because the mean of its divisors is an integer number (56176532160).

Almost surely, 2^{2012001220332} 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 2012001220332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2696473543680).

2012001220332 is an abundant number, since it is smaller than the sum of its proper divisors (3380945867028).

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

2012001220332 is a wasteful number, since it uses less digits than its factorization.

2012001220332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935300 (or 935292 counting only the distinct ones).

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

Adding to 2012001220332 its reverse (2330221002102), we get a palindrome (4342222222434).

The spelling of 2012001220332 in words is "two trillion, twelve billion, one million, two hundred twenty thousand, three hundred thirty-two".