1212330012 has 48 divisors (see below), whose sum is σ = 2908741920. Its totient is φ = 392712192.

The previous prime is 1212330011. The next prime is 1212330019. The reversal of 1212330012 is 2100332121.

It is a junction number, because it is equal to n+sod(n) for n = 1212329973 and 1212330000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212330011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 713548 + ... + 715244.

It is an arithmetic number, because the mean of its divisors is an integer number (60598790).

Almost surely, 2^1212330012 is an apocalyptic number.

1212330012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1212330012 is an abundant number, since it is smaller than the sum of its proper divisors (1696411908).

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

1212330012 is a wasteful number, since it uses less digits than its factorization.

1212330012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350 (or 3348 counting only the distinct ones).

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

The square root of 1212330012 is about 34818.5297219742. The cubic root of 1212330012 is about 1066.2857833253.

Adding to 1212330012 its reverse (2100332121), we get a palindrome (3312662133).

The spelling of 1212330012 in words is "one billion, two hundred twelve million, three hundred thirty thousand, twelve".