12121141440022 has 16 divisors (see below), whose sum is σ = 18264828726144. Its totient is φ = 6032908728000.

The previous prime is 12121141439999. The next prime is 12121141440029. The reversal of 12121141440022 is 22004414112121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121141440029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10324929 + ... + 11438812.

It is an arithmetic number, because the mean of its divisors is an integer number (1141551795384).

Almost surely, 2^{12121141440022} is an apocalyptic number.

12121141440022 is a deficient number, since it is larger than the sum of its proper divisors (6143687286122).

12121141440022 is a wasteful number, since it uses less digits than its factorization.

12121141440022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21765015.

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 12121141440022 its reverse (22004414112121), we get a palindrome (34125555552143).

The spelling of 12121141440022 in words is "twelve trillion, one hundred twenty-one billion, one hundred forty-one million, four hundred forty thousand, twenty-two".