1020012512 has 48 divisors (see below), whose sum is σ = 2130468480. Its totient is φ = 479059968.

The previous prime is 1020012493. The next prime is 1020012571. The reversal of 1020012512 is 2152100201.

1020012512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328664 + ... + 331752.

It is an arithmetic number, because the mean of its divisors is an integer number (44384760).

Almost surely, 2^1020012512 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 1020012512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1065234240).

1020012512 is an abundant number, since it is smaller than the sum of its proper divisors (1110455968).

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

1020012512 is a wasteful number, since it uses less digits than its factorization.

1020012512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723 (or 3715 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1020012512 is about 31937.6347277002. The cubic root of 1020012512 is about 1006.6268255117.

Adding to 1020012512 its reverse (2152100201), we get a palindrome (3172112713).

The spelling of 1020012512 in words is "one billion, twenty million, twelve thousand, five hundred twelve".