12221115126000 has 160 divisors (see below), whose sum is σ = 42982773140736. Its totient is φ = 2962694560000.

The previous prime is 12221115125959. The next prime is 12221115126019. The reversal of 12221115126000 is 62151112221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92518206 + ... + 92650205.

Almost surely, 2^{12221115126000} is an apocalyptic number.

12221115126000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12221115126000 is an abundant number, since it is smaller than the sum of its proper divisors (30761658014736).

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

12221115126000 is a wasteful number, since it uses less digits than its factorization.

12221115126000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185168448 (or 185168432 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

Adding to 12221115126000 its reverse (62151112221), we get a palindrome (12283266238221).

The spelling of 12221115126000 in words is "twelve trillion, two hundred twenty-one billion, one hundred fifteen million, one hundred twenty-six thousand".