12042664215 has 8 divisors (see below), whose sum is σ = 19268262768. Its totient is φ = 6422754240.

The previous prime is 12042664213. The next prime is 12042664229. The reversal of 12042664215 is 51246624021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12042664215 - 2¹ = 12042664213 is a prime.

It is a super-2 number, since 2×12042664215² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12042664213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401422126 + ... + 401422155.

It is an arithmetic number, because the mean of its divisors is an integer number (2408532846).

Almost surely, 2^12042664215 is an apocalyptic number.

12042664215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12042664215 is a deficient number, since it is larger than the sum of its proper divisors (7225598553).

12042664215 is an equidigital number, since it uses as much as digits as its factorization.

12042664215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802844289.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 12042664215 in words is "twelve billion, forty-two million, six hundred sixty-four thousand, two hundred fifteen".