1212134144 has 36 divisors (see below), whose sum is σ = 2605658496. Its totient is φ = 559444992.

The previous prime is 1212134107. The next prime is 1212134159. The reversal of 1212134144 is 4414312121.

It is a super-2 number, since 2×1212134144² = 2938538366101225472, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 178784 + ... + 185439.

Almost surely, 2^1212134144 is an apocalyptic number.

It is an amenable number.

1212134144 is an abundant number, since it is smaller than the sum of its proper divisors (1393524352).

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

1212134144 is an equidigital number, since it uses as much as digits as its factorization.

1212134144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364252 (or 364238 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 1212134144 is about 34815.7169106138. The cubic root of 1212134144 is about 1066.2283560268.

Adding to 1212134144 its reverse (4414312121), we get a palindrome (5626446265).

The spelling of 1212134144 in words is "one billion, two hundred twelve million, one hundred thirty-four thousand, one hundred forty-four".