12234445667890 has 16 divisors (see below), whose sum is σ = 22169800877400. Its totient is φ = 4860934117120.

The previous prime is 12234445667879. The next prime is 12234445667897. The reversal of 12234445667890 is 9876654443221.

It can be written as a sum of positive squares in 4 ways, for example, as 5187539198689 + 7046906469201 = 2277617^2 + 2654601^2 .

It is not an unprimeable number, because it can be changed into a prime (12234445667897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4105517191 + ... + 4105520170.

It is a 2-persistent number, because it is pandigital, and so is 2⋅12234445667890 = 24468891335780, but 3⋅12234445667890 = 36703337003670 is not.

Almost surely, 2^{12234445667890} is an apocalyptic number.

12234445667890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12234445667890 is a deficient number, since it is larger than the sum of its proper divisors (9935355209510).

12234445667890 is a wasteful number, since it uses less digits than its factorization.

12234445667890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8211037517.

The product of its (nonzero) digits is 69672960, while the sum is 61.

The spelling of 12234445667890 in words is "twelve trillion, two hundred thirty-four billion, four hundred forty-five million, six hundred sixty-seven thousand, eight hundred ninety".