1012623345516 has 96 divisors (see below), whose sum is σ = 2517240825792. Its totient is φ = 315725455360.

The previous prime is 1012623345443. The next prime is 1012623345523. The reversal of 1012623345516 is 6155433262101.

It is a happy number.

1012623345516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 37803520 + ... + 37830296.

It is an arithmetic number, because the mean of its divisors is an integer number (26221258602).

Almost surely, 2^{1012623345516} 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 1012623345516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1258620412896).

1012623345516 is an abundant number, since it is smaller than the sum of its proper divisors (1504617480276).

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

1012623345516 is a wasteful number, since it uses less digits than its factorization.

1012623345516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27939 (or 27937 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 1012623345516 in words is "one trillion, twelve billion, six hundred twenty-three million, three hundred forty-five thousand, five hundred sixteen".