1001263412 has 12 divisors (see below), whose sum is σ = 1769223456. Its totient is φ = 495771000.

The previous prime is 1001263397. The next prime is 1001263421. The reversal of 1001263412 is 2143621001.

1001263412 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 3 ways as a sum of consecutive naturals, for example, 1214714 + ... + 1215537.

It is an arithmetic number, because the mean of its divisors is an integer number (147435288).

Almost surely, 2^1001263412 is an apocalyptic number.

It is an amenable number.

1001263412 is a deficient number, since it is larger than the sum of its proper divisors (767960044).

1001263412 is a wasteful number, since it uses less digits than its factorization.

1001263412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430358 (or 2430356 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1001263412 is about 31642.7465938088. The cubic root of 1001263412 is about 1000.4209601011.

Adding to 1001263412 its reverse (2143621001), we get a palindrome (3144884413).

The spelling of 1001263412 in words is "one billion, one million, two hundred sixty-three thousand, four hundred twelve".