12215032104042 has 40 divisors (see below), whose sum is σ = 27953075848896. Its totient is φ = 3985045932168.

The previous prime is 12215032104031. The next prime is 12215032104047. The reversal of 12215032104042 is 24040123051221.

12215032104042 is a `hidden beast` number, since 1 + 2 + 215 + 0 + 32 + 10 + 404 + 2 = 666.

It is a super-3 number, since 3×12215032104042³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 12215032103997 and 12215032104015.

It is not an unprimeable number, because it can be changed into a prime (12215032104047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 802135288 + ... + 802150515.

Almost surely, 2^{12215032104042} is an apocalyptic number.

12215032104042 is an abundant number, since it is smaller than the sum of its proper divisors (15738043744854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12215032104042 is a wasteful number, since it uses less digits than its factorization.

12215032104042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604285864 (or 1604285855 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 12215032104042 its reverse (24040123051221), we get a palindrome (36255155155263).

The spelling of 12215032104042 in words is "twelve trillion, two hundred fifteen billion, thirty-two million, one hundred four thousand, forty-two".