14412405212121 has 16 divisors (see below), whose sum is σ = 21966027393024. Its totient is φ = 8234059970064.

The previous prime is 14412405212077. The next prime is 14412405212131. The reversal of 14412405212121 is 12121250421441.

It is a happy number.

14412405212121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14412405212121 - 2⁶ = 14412405212057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14412405212131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66562305 + ... + 66778478.

It is an arithmetic number, because the mean of its divisors is an integer number (1372876712064).

Almost surely, 2^{14412405212121} is an apocalyptic number.

It is an amenable number.

14412405212121 is a deficient number, since it is larger than the sum of its proper divisors (7553622180903).

14412405212121 is a wasteful number, since it uses less digits than its factorization.

14412405212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133345940.

The product of its (nonzero) digits is 5120, while the sum is 30.

Adding to 14412405212121 its reverse (12121250421441), we get a palindrome (26533655633562).

The spelling of 14412405212121 in words is "fourteen trillion, four hundred twelve billion, four hundred five million, two hundred twelve thousand, one hundred twenty-one".