12212222403504 has 80 divisors (see below), whose sum is σ = 31862159619840. Its totient is φ = 4030239148800.

The previous prime is 12212222403467. The next prime is 12212222403517. The reversal of 12212222403504 is 40530422221221.

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, 125257527 + ... + 125354985.

It is an arithmetic number, because the mean of its divisors is an integer number (398276995248).

Almost surely, 2^{12212222403504} is an apocalyptic number.

It is an amenable number.

12212222403504 is an abundant number, since it is smaller than the sum of its proper divisors (19649937216336).

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

12212222403504 is a wasteful number, since it uses less digits than its factorization.

12212222403504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123418 (or 123412 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 12212222403504 its reverse (40530422221221), we get a palindrome (52742644624725).

The spelling of 12212222403504 in words is "twelve trillion, two hundred twelve billion, two hundred twenty-two million, four hundred three thousand, five hundred four".