1012013026044 has 96 divisors (see below), whose sum is σ = 2500272203520. Its totient is φ = 317708116992.

The previous prime is 1012013026019. The next prime is 1012013026049. The reversal of 1012013026044 is 4406203102101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012013026049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26643114 + ... + 26681070.

It is an arithmetic number, because the mean of its divisors is an integer number (26044502120).

Almost surely, 2^{1012013026044} 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 1012013026044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1250136101760).

1012013026044 is an abundant number, since it is smaller than the sum of its proper divisors (1488259177476).

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

1012013026044 is a wasteful number, since it uses less digits than its factorization.

1012013026044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38667 (or 38665 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1012013026044 its reverse (4406203102101), we get a palindrome (5418216128145).

The spelling of 1012013026044 in words is "one trillion, twelve billion, thirteen million, twenty-six thousand, forty-four".