1212755234 has 8 divisors (see below), whose sum is σ = 1881861660. Its totient is φ = 585468016.

The previous prime is 1212755183. The next prime is 1212755239. The reversal of 1212755234 is 4325572121.

It can be written as a sum of positive squares in 2 ways, for example, as 1206520225 + 6235009 = 34735^2 + 2497^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1212755234.

It is not an unprimeable number, because it can be changed into a prime (1212755239) by changing a digit.

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, 10454729 + ... + 10454844.

Almost surely, 2^1212755234 is an apocalyptic number.

1212755234 is a deficient number, since it is larger than the sum of its proper divisors (669106426).

1212755234 is a wasteful number, since it uses less digits than its factorization.

1212755234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20909604.

The product of its digits is 16800, while the sum is 32.

The square root of 1212755234 is about 34824.6354467638. The cubic root of 1212755234 is about 1066.4104345255.

The spelling of 1212755234 in words is "one billion, two hundred twelve million, seven hundred fifty-five thousand, two hundred thirty-four".