1143212852 has 12 divisors (see below), whose sum is σ = 2016376320. Its totient is φ = 567105336.

The previous prime is 1143212849. The next prime is 1143212879. The reversal of 1143212852 is 2582123411.

It is a happy number.

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, 1124702 + ... + 1125717.

It is an arithmetic number, because the mean of its divisors is an integer number (168031360).

Almost surely, 2^1143212852 is an apocalyptic number.

It is an amenable number.

1143212852 is a deficient number, since it is larger than the sum of its proper divisors (873163468).

1143212852 is a wasteful number, since it uses less digits than its factorization.

1143212852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250550 (or 2250548 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 1143212852 is about 33811.4307890098. The cubic root of 1143212852 is about 1045.6243766058.

The spelling of 1143212852 in words is "one billion, one hundred forty-three million, two hundred twelve thousand, eight hundred fifty-two".