1012521012 has 24 divisors (see below), whose sum is σ = 2372358912. Its totient is φ = 336105600.

The previous prime is 1012521011. The next prime is 1012521031. The reversal of 1012521012 is 2101252101.

1012521012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1012520982 and 1012521000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012521011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172164 + ... + 177947.

It is an arithmetic number, because the mean of its divisors is an integer number (98848288).

Almost surely, 2^1012521012 is an apocalyptic number.

1012521012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1012521012 is an abundant number, since it is smaller than the sum of its proper divisors (1359837900).

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

1012521012 is a wasteful number, since it uses less digits than its factorization.

1012521012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350359 (or 350357 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 1012521012 is about 31820.1353234080. The cubic root of 1012521012 is about 1004.1563713098.

Adding to 1012521012 its reverse (2101252101), we get a palindrome (3113773113).

The spelling of 1012521012 in words is "one billion, twelve million, five hundred twenty-one thousand, twelve".