1020013012 has 6 divisors (see below), whose sum is σ = 1785022778. Its totient is φ = 510006504.

The previous prime is 1020012991. The next prime is 1020013031. The reversal of 1020013012 is 2103100201.

1020013012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1013530896 + 6482116 = 31836^2 + 2546^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1020013012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127501623 + ... + 127501630.

Almost surely, 2^1020013012 is an apocalyptic number.

It is an amenable number.

1020013012 is a deficient number, since it is larger than the sum of its proper divisors (765009766).

1020013012 is a wasteful number, since it uses less digits than its factorization.

1020013012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255003257 (or 255003255 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1020013012 is about 31937.6425554548. The cubic root of 1020013012 is about 1006.6269899912.

Adding to 1020013012 its reverse (2103100201), we get a palindrome (3123113213).

The spelling of 1020013012 in words is "one billion, twenty million, thirteen thousand, twelve".