12235534215 has 32 divisors (see below), whose sum is σ = 20623680000. Its totient is φ = 6177225600.

The previous prime is 12235534211. The next prime is 12235534231. The reversal of 12235534215 is 51243553221.

It is not a de Polignac number, because 12235534215 - 2² = 12235534211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12235534211) 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, 354286 + ... + 387284.

It is an arithmetic number, because the mean of its divisors is an integer number (644490000).

Almost surely, 2^12235534215 is an apocalyptic number.

12235534215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12235534215 is a deficient number, since it is larger than the sum of its proper divisors (8388145785).

12235534215 is a wasteful number, since it uses less digits than its factorization.

12235534215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34327.

The product of its digits is 36000, while the sum is 33.

The spelling of 12235534215 in words is "twelve billion, two hundred thirty-five million, five hundred thirty-four thousand, two hundred fifteen".