12210234015 has 32 divisors (see below), whose sum is σ = 22377770496. Its totient is φ = 5569200000.

The previous prime is 12210233989. The next prime is 12210234019. The reversal of 12210234015 is 51043201221.

It is not a de Polignac number, because 12210234015 - 2¹¹ = 12210231967 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12210233982 and 12210234000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210234019) 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, 84736 + ... + 177765.

It is an arithmetic number, because the mean of its divisors is an integer number (699305328).

Almost surely, 2^12210234015 is an apocalyptic number.

12210234015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12210234015 is a deficient number, since it is larger than the sum of its proper divisors (10167536481).

12210234015 is a wasteful number, since it uses less digits than its factorization.

12210234015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262959.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 12210234015 its reverse (51043201221), we get a palindrome (63253435236).

The spelling of 12210234015 in words is "twelve billion, two hundred ten million, two hundred thirty-four thousand, fifteen".