1001262412 has 24 divisors (see below), whose sum is σ = 1776370176. Its totient is φ = 493774848.

The previous prime is 1001262401. The next prime is 1001262443. The reversal of 1001262412 is 2142621001.

It is a self number, because there is not a number n which added to its sum of digits gives 1001262412.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82188 + ... + 93580.

It is an arithmetic number, because the mean of its divisors is an integer number (74015424).

Almost surely, 2^1001262412 is an apocalyptic number.

It is an amenable number.

1001262412 is a deficient number, since it is larger than the sum of its proper divisors (775107764).

1001262412 is a wasteful number, since it uses less digits than its factorization.

1001262412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11697 (or 11695 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1001262412 is about 31642.7307923953. The cubic root of 1001262412 is about 1000.4206270481.

Adding to 1001262412 its reverse (2142621001), we get a palindrome (3143883413).

The spelling of 1001262412 in words is "one billion, one million, two hundred sixty-two thousand, four hundred twelve".