1230055212 has 24 divisors (see below), whose sum is σ = 3021188800. Its totient is φ = 388438416.

The previous prime is 1230055159. The next prime is 1230055219. The reversal of 1230055212 is 2125500321.

It is not an unprimeable number, because it can be changed into a prime (1230055219) 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, 2697262 + ... + 2697717.

Almost surely, 2^1230055212 is an apocalyptic number.

1230055212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1230055212 is an abundant number, since it is smaller than the sum of its proper divisors (1791133588).

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

1230055212 is a wasteful number, since it uses less digits than its factorization.

1230055212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5395005 (or 5395003 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1230055212 is about 35072.1429627561. The cubic root of 1230055212 is about 1071.4573009998.

Adding to 1230055212 its reverse (2125500321), we get a palindrome (3355555533).

The spelling of 1230055212 in words is "one billion, two hundred thirty million, fifty-five thousand, two hundred twelve".