12223456667890 has 32 divisors (see below), whose sum is σ = 23713671870000. Its totient is φ = 4509662736384.

The previous prime is 12223456667869. The next prime is 12223456667911. The reversal of 12223456667890 is 9876665432221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12223456667869) and next prime (12223456667911).

It can be written as a sum of positive squares in 8 ways, for example, as 2326939735761 + 9896516932129 = 1525431^2 + 3145873^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37478379 + ... + 37803118.

It is a 2-persistent number, because it is pandigital, and so is 2⋅12223456667890 = 24446913335780, but 3⋅12223456667890 = 36670370003670 is not.

Almost surely, 2^{12223456667890} is an apocalyptic number.

12223456667890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12223456667890 is a deficient number, since it is larger than the sum of its proper divisors (11490215202110).

12223456667890 is a wasteful number, since it uses less digits than its factorization.

12223456667890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75282766.

The product of its (nonzero) digits is 52254720, while the sum is 61.

The spelling of 12223456667890 in words is "twelve trillion, two hundred twenty-three billion, four hundred fifty-six million, six hundred sixty-seven thousand, eight hundred ninety".