2012111143044 has 48 divisors (see below), whose sum is σ = 5011633428480. Its totient is φ = 626454168480.

The previous prime is 2012111143043. The next prime is 2012111143079. The reversal of 2012111143044 is 4403411112102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2012111143043) 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, 62132044 + ... + 62164419.

It is an arithmetic number, because the mean of its divisors is an integer number (104409029760).

Almost surely, 2^{2012111143044} is an apocalyptic number.

It is an amenable number.

2012111143044 is an abundant number, since it is smaller than the sum of its proper divisors (2999522285436).

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

2012111143044 is a wasteful number, since it uses less digits than its factorization.

2012111143044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124296560 (or 124296558 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 2012111143044 its reverse (4403411112102), we get a palindrome (6415522255146).

The spelling of 2012111143044 in words is "two trillion, twelve billion, one hundred eleven million, one hundred forty-three thousand, forty-four".