12234555677890 has 64 divisors (see below), whose sum is σ = 27836793702144. Its totient is φ = 3767385593088.

The previous prime is 12234555677867. The next prime is 12234555677921. The reversal of 12234555677890 is 9877655543221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181649664 + ... + 181717003.

It is an arithmetic number, because the mean of its divisors is an integer number (434949901596).

It is a 2-persistent number, because it is pandigital, and so is 2⋅12234555677890 = 24469111355780, but 3⋅12234555677890 = 36703667033670 is not.

Almost surely, 2^{12234555677890} is an apocalyptic number.

12234555677890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12234555677890 is an abundant number, since it is smaller than the sum of its proper divisors (15602238024254).

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

12234555677890 is a wasteful number, since it uses less digits than its factorization.

12234555677890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363366731.

The product of its (nonzero) digits is 127008000, while the sum is 64.

The spelling of 12234555677890 in words is "twelve trillion, two hundred thirty-four billion, five hundred fifty-five million, six hundred seventy-seven thousand, eight hundred ninety".