12234455690 has 16 divisors (see below), whose sum is σ = 22120777728. Its totient is φ = 4871836176.

The previous prime is 12234455687. The next prime is 12234455731. The reversal of 12234455690 is 9655443221.

It is a super-2 number, since 2×12234455690² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 2740922 + ... + 2745381.

It is an arithmetic number, because the mean of its divisors is an integer number (1382548608).

Almost surely, 2^12234455690 is an apocalyptic number.

12234455690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12234455690 is a deficient number, since it is larger than the sum of its proper divisors (9886322038).

12234455690 is a wasteful number, since it uses less digits than its factorization.

12234455690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5486533.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 12234455690 in words is "twelve billion, two hundred thirty-four million, four hundred fifty-five thousand, six hundred ninety".