1012001143044 has 12 divisors (see below), whose sum is σ = 2361336000464. Its totient is φ = 337333714344.

The previous prime is 1012001143039. The next prime is 1012001143103. The reversal of 1012001143044 is 4403411002101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1012001143044.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42166714282 + ... + 42166714305.

Almost surely, 2^{1012001143044} is an apocalyptic number.

It is an amenable number.

1012001143044 is an abundant number, since it is smaller than the sum of its proper divisors (1349334857420).

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

1012001143044 is a wasteful number, since it uses less digits than its factorization.

1012001143044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84333428594 (or 84333428592 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 1012001143044 its reverse (4403411002101), we get a palindrome (5415412145145).

The spelling of 1012001143044 in words is "one trillion, twelve billion, one million, one hundred forty-three thousand, forty-four".