1212834282 has 16 divisors (see below), whose sum is σ = 2646184032. Its totient is φ = 367525520.

The previous prime is 1212834257. The next prime is 1212834289. The reversal of 1212834282 is 2824382121.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1212834289) 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 7 ways as a sum of consecutive naturals, for example, 9188073 + ... + 9188204.

It is an arithmetic number, because the mean of its divisors is an integer number (165386502).

Almost surely, 2^1212834282 is an apocalyptic number.

1212834282 is an abundant number, since it is smaller than the sum of its proper divisors (1433349750).

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

1212834282 is a wasteful number, since it uses less digits than its factorization.

1212834282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18376293.

The product of its digits is 12288, while the sum is 33.

The square root of 1212834282 is about 34825.7703719530. The cubic root of 1212834282 is about 1066.4336037461.

The spelling of 1212834282 in words is "one billion, two hundred twelve million, eight hundred thirty-four thousand, two hundred eighty-two".