12023213034 has 32 divisors (see below), whose sum is σ = 28928033280. Its totient is φ = 3254403312.

The previous prime is 12023213029. The next prime is 12023213099. The reversal of 12023213034 is 43031232021.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 12023213034.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7532544 + ... + 7534139.

It is an arithmetic number, because the mean of its divisors is an integer number (904001040).

Almost surely, 2^12023213034 is an apocalyptic number.

12023213034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12023213034 is an abundant number, since it is smaller than the sum of its proper divisors (16904820246).

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

12023213034 is a wasteful number, since it uses less digits than its factorization.

12023213034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15066714.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12023213034 its reverse (43031232021), we get a palindrome (55054445055).

The spelling of 12023213034 in words is "twelve billion, twenty-three million, two hundred thirteen thousand, thirty-four".