12222513445040 has 40 divisors (see below), whose sum is σ = 30088952219520. Its totient is φ = 4601416825856.

The previous prime is 12222513444983. The next prime is 12222513445063. The reversal of 12222513445040 is 4054431522221.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4493569760 + ... + 4493572479.

It is an arithmetic number, because the mean of its divisors is an integer number (752223805488).

Almost surely, 2^{12222513445040} is an apocalyptic number.

12222513445040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12222513445040 is an abundant number, since it is smaller than the sum of its proper divisors (17866438774480).

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

12222513445040 is a wasteful number, since it uses less digits than its factorization.

12222513445040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8987142269 (or 8987142263 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 12222513445040 its reverse (4054431522221), we get a palindrome (16276944967261).

The spelling of 12222513445040 in words is "twelve trillion, two hundred twenty-two billion, five hundred thirteen million, four hundred forty-five thousand, forty".