2102012000444 has 48 divisors (see below), whose sum is σ = 4026488175360. Its totient is φ = 955858375680.

The previous prime is 2102012000443. The next prime is 2102012000447. The reversal of 2102012000444 is 4440002102012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102012000443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690662 + ... + 2163570.

It is an arithmetic number, because the mean of its divisors is an integer number (83885170320).

Almost surely, 2^{2102012000444} is an apocalyptic number.

It is an amenable number.

2102012000444 is a deficient number, since it is larger than the sum of its proper divisors (1924476174916).

2102012000444 is a wasteful number, since it uses less digits than its factorization.

2102012000444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473638 (or 1473636 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2102012000444 its reverse (4440002102012), we get a palindrome (6542014102456).

The spelling of 2102012000444 in words is "two trillion, one hundred two billion, twelve million, four hundred forty-four", and thus it is an aban number.