1140231212 has 24 divisors (see below), whose sum is σ = 2062448640. Its totient is φ = 551008080.

The previous prime is 1140231149. The next prime is 1140231221. The reversal of 1140231212 is 2121320411.

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, 96989 + ... + 108107.

It is an arithmetic number, because the mean of its divisors is an integer number (85935360).

Almost surely, 2^1140231212 is an apocalyptic number.

It is an amenable number.

1140231212 is a deficient number, since it is larger than the sum of its proper divisors (922217428).

1140231212 is a wasteful number, since it uses less digits than its factorization.

1140231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11981 (or 11979 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1140231212 is about 33767.3098128945. The cubic root of 1140231212 is about 1044.7145460867.

Adding to 1140231212 its reverse (2121320411), we get a palindrome (3261551623).

The spelling of 1140231212 in words is "one billion, one hundred forty million, two hundred thirty-one thousand, two hundred twelve".