1244153212 has 12 divisors (see below), whose sum is σ = 2291861320. Its totient is φ = 589335696.

The previous prime is 1244153203. The next prime is 1244153213. The reversal of 1244153212 is 2123514421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244153213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8185143 + ... + 8185294.

Almost surely, 2^1244153212 is an apocalyptic number.

It is an amenable number.

1244153212 is a deficient number, since it is larger than the sum of its proper divisors (1047708108).

1244153212 is a wasteful number, since it uses less digits than its factorization.

1244153212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16370460 (or 16370458 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 1244153212 is about 35272.5560740925. The cubic root of 1244153212 is about 1075.5351831661.

Adding to 1244153212 its reverse (2123514421), we get a palindrome (3367667633).

The spelling of 1244153212 in words is "one billion, two hundred forty-four million, one hundred fifty-three thousand, two hundred twelve".