1244242212 has 12 divisors (see below), whose sum is σ = 2903231856. Its totient is φ = 414747400.

The previous prime is 1244242199. The next prime is 1244242229. The reversal of 1244242212 is 2122424421.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51843414 + ... + 51843437.

It is an arithmetic number, because the mean of its divisors is an integer number (241935988).

Almost surely, 2^1244242212 is an apocalyptic number.

1244242212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1244242212 is an abundant number, since it is smaller than the sum of its proper divisors (1658989644).

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

1244242212 is a wasteful number, since it uses less digits than its factorization.

1244242212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103686858 (or 103686856 counting only the distinct ones).

The product of its digits is 2048, while the sum is 24.

The square root of 1244242212 is about 35273.8176555927. The cubic root of 1244242212 is about 1075.5608285469.

Adding to 1244242212 its reverse (2122424421), we get a palindrome (3366666633).

The spelling of 1244242212 in words is "one billion, two hundred forty-four million, two hundred forty-two thousand, two hundred twelve".