1230301212 has 60 divisors (see below), whose sum is σ = 3349032456. Its totient is φ = 351506400.

The previous prime is 1230301199. The next prime is 1230301223. The reversal of 1230301212 is 2121030321.

It is a super-3 number, since 3×1230301212³ (a number of 28 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1230301191 and 1230301200.

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 7462 + ... + 50162.

Almost surely, 2^1230301212 is an apocalyptic number.

1230301212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230301212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1674516228).

1230301212 is an abundant number, since it is smaller than the sum of its proper divisors (2118731244).

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

1230301212 is an equidigital number, since it uses as much as digits as its factorization.

1230301212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42736 (or 42713 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1230301212 is about 35075.6498443008. The cubic root of 1230301212 is about 1071.5287235192.

Adding to 1230301212 its reverse (2121030321), we get a palindrome (3351331533).

The spelling of 1230301212 in words is "one billion, two hundred thirty million, three hundred one thousand, two hundred twelve".