12132540121 has 8 divisors (see below), whose sum is σ = 13070756160. Its totient is φ = 11195030352.

The previous prime is 12132540109. The next prime is 12132540131. The reversal of 12132540121 is 12104523121.

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

It is a cyclic number.

It is not a de Polignac number, because 12132540121 - 2¹¹ = 12132538073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12132540092 and 12132540101.

It is not an unprimeable number, because it can be changed into a prime (12132540131) 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, 140611 + ... + 209848.

It is an arithmetic number, because the mean of its divisors is an integer number (1633844520).

Almost surely, 2^12132540121 is an apocalyptic number.

It is an amenable number.

12132540121 is a deficient number, since it is larger than the sum of its proper divisors (938216039).

12132540121 is a wasteful number, since it uses less digits than its factorization.

12132540121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353135.

The product of its (nonzero) digits is 480, while the sum is 22.

The spelling of 12132540121 in words is "twelve billion, one hundred thirty-two million, five hundred forty thousand, one hundred twenty-one".