12141203505 has 16 divisors (see below), whose sum is σ = 19428543360. Its totient is φ = 6474435968.

The previous prime is 12141203489. The next prime is 12141203507. The reversal of 12141203505 is 50530214121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12141203505 - 2⁴ = 12141203489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12141203507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69604 + ... + 170666.

It is an arithmetic number, because the mean of its divisors is an integer number (1214283960).

Almost surely, 2^12141203505 is an apocalyptic number.

12141203505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12141203505 is a deficient number, since it is larger than the sum of its proper divisors (7287339855).

12141203505 is a wasteful number, since it uses less digits than its factorization.

12141203505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109080.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 12141203505 its reverse (50530214121), we get a palindrome (62671417626).

The spelling of 12141203505 in words is "twelve billion, one hundred forty-one million, two hundred three thousand, five hundred five".