12142032215 has 4 divisors (see below), whose sum is σ = 14570438664. Its totient is φ = 9713625768.

The previous prime is 12142032209. The next prime is 12142032233. The reversal of 12142032215 is 51223024121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51223024121 = 1409 ⋅36354169.

It is a cyclic number.

It is not a de Polignac number, because 12142032215 - 2⁶ = 12142032151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1214203217 + ... + 1214203226.

It is an arithmetic number, because the mean of its divisors is an integer number (3642609666).

Almost surely, 2^12142032215 is an apocalyptic number.

12142032215 is a deficient number, since it is larger than the sum of its proper divisors (2428406449).

12142032215 is an equidigital number, since it uses as much as digits as its factorization.

12142032215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2428406448.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 12142032215 its reverse (51223024121), we get a palindrome (63365056336).

The spelling of 12142032215 in words is "twelve billion, one hundred forty-two million, thirty-two thousand, two hundred fifteen".