12041021234 has 16 divisors (see below), whose sum is σ = 19709156736. Its totient is φ = 5471617200.

The previous prime is 12041021233. The next prime is 12041021243. The reversal of 12041021234 is 43212014021.

It is not an unprimeable number, because it can be changed into a prime (12041021233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1319 + ... + 155189.

It is an arithmetic number, because the mean of its divisors is an integer number (1231822296).

Almost surely, 2^12041021234 is an apocalyptic number.

12041021234 is a deficient number, since it is larger than the sum of its proper divisors (7668135502).

12041021234 is a wasteful number, since it uses less digits than its factorization.

12041021234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157441.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12041021234 its reverse (43212014021), we get a palindrome (55253035255).

The spelling of 12041021234 in words is "twelve billion, forty-one million, twenty-one thousand, two hundred thirty-four".