10012001012 has 24 divisors (see below), whose sum is σ = 19978700616. Its totient is φ = 4349104128.

The previous prime is 10012001011. The next prime is 10012001081. The reversal of 10012001012 is 21010021001.

It can be written as a sum of positive squares in 4 ways, for example, as 28793956 + 9983207056 = 5366^2 + 99916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012001011) 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, 5662013 + ... + 5663780.

It is an arithmetic number, because the mean of its divisors is an integer number (832445859).

Almost surely, 2^10012001012 is an apocalyptic number.

It is an amenable number.

10012001012 is a deficient number, since it is larger than the sum of its proper divisors (9966699604).

10012001012 is a wasteful number, since it uses less digits than its factorization.

10012001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11325827 (or 11325825 counting only the distinct ones).

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

Adding to 10012001012 its reverse (21010021001), we get a palindrome (31022022013).

The spelling of 10012001012 in words is "ten billion, twelve million, one thousand, twelve".