1144212312 has 32 divisors (see below), whose sum is σ = 2877076080. Its totient is φ = 379198080.

The previous prime is 1144212301. The next prime is 1144212337. The reversal of 1144212312 is 2132124411.

It is a nude number because it is divisible by every one of its digits.

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, 133639 + ... + 141942.

Almost surely, 2^1144212312 is an apocalyptic number.

1144212312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1144212312 is an abundant number, since it is smaller than the sum of its proper divisors (1732863768).

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

1144212312 is a wasteful number, since it uses less digits than its factorization.

1144212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275763 (or 275759 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 1144212312 is about 33826.2074729048. The cubic root of 1144212312 is about 1045.9290020993.

Adding to 1144212312 its reverse (2132124411), we get a palindrome (3276336723).

The spelling of 1144212312 in words is "one billion, one hundred forty-four million, two hundred twelve thousand, three hundred twelve".