2012530621444 has 96 divisors (see below), whose sum is σ = 4262453395200. Its totient is φ = 813067960320.

The previous prime is 2012530621427. The next prime is 2012530621469. The reversal of 2012530621444 is 4441260352102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95275204 + ... + 95296324.

It is an arithmetic number, because the mean of its divisors is an integer number (44400556200).

Almost surely, 2^{2012530621444} 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 2012530621444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2131226697600).

2012530621444 is an abundant number, since it is smaller than the sum of its proper divisors (2249922773756).

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

2012530621444 is a wasteful number, since it uses less digits than its factorization.

2012530621444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23933 (or 23931 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 2012530621444 its reverse (4441260352102), we get a palindrome (6453790973546).

The spelling of 2012530621444 in words is "two trillion, twelve billion, five hundred thirty million, six hundred twenty-one thousand, four hundred forty-four".