12142124121 has 8 divisors (see below), whose sum is σ = 16190471584. Its totient is φ = 8094263040.

The previous prime is 12142124119. The next prime is 12142124131.

12142124121 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12142124121 - 2¹ = 12142124119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12142124131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58696 + ... + 166521.

It is an arithmetic number, because the mean of its divisors is an integer number (2023808948).

Almost surely, 2^12142124121 is an apocalyptic number.

It is an amenable number.

12142124121 is a deficient number, since it is larger than the sum of its proper divisors (4048347463).

12142124121 is a wasteful number, since it uses less digits than its factorization.

12142124121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243191.

The product of its digits is 256, while the sum is 21.

The spelling of 12142124121 in words is "twelve billion, one hundred forty-two million, one hundred twenty-four thousand, one hundred twenty-one".