12215141125 has 32 divisors (see below), whose sum is σ = 16830882432. Its totient is φ = 8776624000.

The previous prime is 12215141123. The next prime is 12215141129. The reversal of 12215141125 is 52114151221.

It is not a de Polignac number, because 12215141125 - 2¹ = 12215141123 is a prime.

It is a super-3 number, since 3×12215141125³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12215141125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12215141123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60609 + ... + 167641.

It is an arithmetic number, because the mean of its divisors is an integer number (525965076).

Almost surely, 2^12215141125 is an apocalyptic number.

It is an amenable number.

12215141125 is a deficient number, since it is larger than the sum of its proper divisors (4615741307).

12215141125 is a wasteful number, since it uses less digits than its factorization.

12215141125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107142 (or 107132 counting only the distinct ones).

The product of its digits is 800, while the sum is 25.

Adding to 12215141125 its reverse (52114151221), we get a palindrome (64329292346).

The spelling of 12215141125 in words is "twelve billion, two hundred fifteen million, one hundred forty-one thousand, one hundred twenty-five".