12121201141 has 4 divisors (see below), whose sum is σ = 13852801312. Its totient is φ = 10389600972.

The previous prime is 12121201129. The next prime is 12121201163. The reversal of 12121201141 is 14110212121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12121201141 - 2⁵ = 12121201109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121241141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865800075 + ... + 865800088.

It is an arithmetic number, because the mean of its divisors is an integer number (3463200328).

Almost surely, 2^12121201141 is an apocalyptic number.

It is an amenable number.

12121201141 is a deficient number, since it is larger than the sum of its proper divisors (1731600171).

12121201141 is an equidigital number, since it uses as much as digits as its factorization.

12121201141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731600170.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12121201141 its reverse (14110212121), we get a palindrome (26231413262).

The spelling of 12121201141 in words is "twelve billion, one hundred twenty-one million, two hundred one thousand, one hundred forty-one".