1010021012 has 48 divisors (see below), whose sum is σ = 2373205632. Its totient is φ = 363242880.

The previous prime is 1010020997. The next prime is 1010021021. The reversal of 1010021012 is 2101200101.

1010021012 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 15 ways as a sum of consecutive naturals, for example, 122123 + ... + 130130.

It is an arithmetic number, because the mean of its divisors is an integer number (49441784).

Almost surely, 2^1010021012 is an apocalyptic number.

It is an amenable number.

1010021012 is an abundant number, since it is smaller than the sum of its proper divisors (1363184620).

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

1010021012 is a wasteful number, since it uses less digits than its factorization.

1010021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252288 (or 252286 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1010021012 is about 31780.8277425243. The cubic root of 1010021012 is about 1003.3292411862.

Adding to 1010021012 its reverse (2101200101), we get a palindrome (3111221113).

Subtracting 1010021012 from its reverse (2101200101), we obtain a square (1091179089 = 33033²).

The spelling of 1010021012 in words is "one billion, ten million, twenty-one thousand, twelve".