12121004014 has 32 divisors (see below), whose sum is σ = 21241958400. Its totient is φ = 5079867360.

The previous prime is 12121004009. The next prime is 12121004047. The reversal of 12121004014 is 41040012121.

It is a happy number.

It is a super-2 number, since 2×12121004014² (a number of 21 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 119352 + ... + 196180.

It is an arithmetic number, because the mean of its divisors is an integer number (663811200).

Almost surely, 2^12121004014 is an apocalyptic number.

12121004014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12121004014 is a deficient number, since it is larger than the sum of its proper divisors (9120954386).

12121004014 is a wasteful number, since it uses less digits than its factorization.

12121004014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77088.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12121004014 its reverse (41040012121), we get a palindrome (53161016135).

The spelling of 12121004014 in words is "twelve billion, one hundred twenty-one million, four thousand, fourteen".