2012323440402 has 96 divisors (see below), whose sum is σ = 4877240449536. Its totient is φ = 594332217600.

The previous prime is 2012323440389. The next prime is 2012323440433. The reversal of 2012323440402 is 2040443232102.

2012323440402 is a `hidden beast` number, since 2 + 0 + 1 + 23 + 234 + 4 + 0 + 402 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8101183 + ... + 8345885.

It is an arithmetic number, because the mean of its divisors is an integer number (50804588016).

Almost surely, 2^{2012323440402} is an apocalyptic number.

2012323440402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012323440402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2438620224768).

2012323440402 is an abundant number, since it is smaller than the sum of its proper divisors (2864917009134).

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

2012323440402 is a wasteful number, since it uses less digits than its factorization.

2012323440402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245776 (or 245773 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 2012323440402 its reverse (2040443232102), we get a palindrome (4052766672504).

The spelling of 2012323440402 in words is "two trillion, twelve billion, three hundred twenty-three million, four hundred forty thousand, four hundred two".