12213034782 has 24 divisors (see below), whose sum is σ = 26449533144. Its totient is φ = 3757856544.

The previous prime is 12213034733. The next prime is 12213034793. The reversal of 12213034782 is 28743031221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6021193 + ... + 6023220.

It is an arithmetic number, because the mean of its divisors is an integer number (1102063881).

Almost surely, 2^12213034782 is an apocalyptic number.

12213034782 is an abundant number, since it is smaller than the sum of its proper divisors (14236498362).

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

12213034782 is a wasteful number, since it uses less digits than its factorization.

12213034782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12044444 (or 12044431 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The spelling of 12213034782 in words is "twelve billion, two hundred thirteen million, thirty-four thousand, seven hundred eighty-two".