12012362215 has 16 divisors (see below), whose sum is σ = 16476848640. Its totient is φ = 8235672480.

The previous prime is 12012362189. The next prime is 12012362227. The reversal of 12012362215 is 51226321021.

It is not a de Polignac number, because 12012362215 - 2²¹ = 12010265063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12012362215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212416 + ... + 262954.

It is an arithmetic number, because the mean of its divisors is an integer number (1029803040).

Almost surely, 2^12012362215 is an apocalyptic number.

12012362215 is a deficient number, since it is larger than the sum of its proper divisors (4464486425).

12012362215 is an equidigital number, since it uses as much as digits as its factorization.

12012362215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57342.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 12012362215 its reverse (51226321021), we get a palindrome (63238683236).

The spelling of 12012362215 in words is "twelve billion, twelve million, three hundred sixty-two thousand, two hundred fifteen".