1212441442 has 4 divisors (see below), whose sum is σ = 1818662166. Its totient is φ = 606220720.

The previous prime is 1212441437. The next prime is 1212441467. The reversal of 1212441442 is 2441442121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2441442121 = 239 ⋅10215239.

It can be written as a sum of positive squares in only one way, i.e., 1141696521 + 70744921 = 33789^2 + 8411^2 .

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 as a sum of consecutive naturals, namely, 303110359 + ... + 303110362.

Almost surely, 2^1212441442 is an apocalyptic number.

1212441442 is a deficient number, since it is larger than the sum of its proper divisors (606220724).

1212441442 is an equidigital number, since it uses as much as digits as its factorization.

1212441442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606220723.

The product of its digits is 2048, while the sum is 25.

The square root of 1212441442 is about 34820.1298389308. The cubic root of 1212441442 is about 1066.3184511588.

Adding to 1212441442 its reverse (2441442121), we get a palindrome (3653883563).

The spelling of 1212441442 in words is "one billion, two hundred twelve million, four hundred forty-one thousand, four hundred forty-two".