1021133012 has 6 divisors (see below), whose sum is σ = 1786982778. Its totient is φ = 510566504.

The previous prime is 1021133011. The next prime is 1021133041. The reversal of 1021133012 is 2103311201.

1021133012 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., 707347216 + 313785796 = 26596^2 + 17714^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021133011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127641623 + ... + 127641630.

It is an arithmetic number, because the mean of its divisors is an integer number (297830463).

Almost surely, 2^1021133012 is an apocalyptic number.

It is an amenable number.

1021133012 is a deficient number, since it is larger than the sum of its proper divisors (765849766).

1021133012 is a wasteful number, since it uses less digits than its factorization.

1021133012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255283257 (or 255283255 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1021133012 is about 31955.1719131661. The cubic root of 1021133012 is about 1006.9952891602.

Adding to 1021133012 its reverse (2103311201), we get a palindrome (3124444213).

The spelling of 1021133012 in words is "one billion, twenty-one million, one hundred thirty-three thousand, twelve".