12041121215 has 8 divisors (see below), whose sum is σ = 14915453568. Its totient is φ = 9322158240.

The previous prime is 12041121181. The next prime is 12041121217. The reversal of 12041121215 is 51212114021.

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

It is not a de Polignac number, because 12041121215 - 2¹⁶ = 12041055679 is a prime.

It is a super-2 number, since 2×12041121215² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12041121217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38842172 + ... + 38842481.

It is an arithmetic number, because the mean of its divisors is an integer number (1864431696).

Almost surely, 2^12041121215 is an apocalyptic number.

12041121215 is a deficient number, since it is larger than the sum of its proper divisors (2874332353).

12041121215 is an equidigital number, since it uses as much as digits as its factorization.

12041121215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77684689.

The product of its (nonzero) digits is 160, while the sum is 20.

Adding to 12041121215 its reverse (51212114021), we get a palindrome (63253235236).

The spelling of 12041121215 in words is "twelve billion, forty-one million, one hundred twenty-one thousand, two hundred fifteen".