1152213712 has 40 divisors (see below), whose sum is σ = 2426242280. Its totient is φ = 526901760.

The previous prime is 1152213683. The next prime is 1152213739. The reversal of 1152213712 is 2173122511.

It can be written as a sum of positive squares in 4 ways, for example, as 399040576 + 753173136 = 19976^2 + 27444^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2739 + ... + 48082.

It is an arithmetic number, because the mean of its divisors is an integer number (60656057).

Almost surely, 2^1152213712 is an apocalyptic number.

It is an amenable number.

1152213712 is an abundant number, since it is smaller than the sum of its proper divisors (1274028568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1152213712 is a wasteful number, since it uses less digits than its factorization.

1152213712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50951 (or 50945 counting only the distinct ones).

The product of its digits is 840, while the sum is 25.

The square root of 1152213712 is about 33944.2736260477. The cubic root of 1152213712 is about 1048.3613781991.

The spelling of 1152213712 in words is "one billion, one hundred fifty-two million, two hundred thirteen thousand, seven hundred twelve".