121432242234121 has 16 divisors (see below), whose sum is σ = 150107709606400. Its totient is φ = 95658701865408.

The previous prime is 121432242234077. The next prime is 121432242234131.

It is a happy number.

121432242234121 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 121432242234121 - 2²¹ = 121432240136969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121432242234131) 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, 2913560481 + ... + 2913602158.

It is an arithmetic number, because the mean of its divisors is an integer number (9381731850400).

Almost surely, 2^{121432242234121} is an apocalyptic number.

It is an amenable number.

121432242234121 is a deficient number, since it is larger than the sum of its proper divisors (28675467372279).

121432242234121 is a wasteful number, since it uses less digits than its factorization.

121432242234121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5827162888.

The product of its digits is 36864, while the sum is 34.

The spelling of 121432242234121 in words is "one hundred twenty-one trillion, four hundred thirty-two billion, two hundred forty-two million, two hundred thirty-four thousand, one hundred twenty-one".