12215003535464 has 64 divisors (see below), whose sum is σ = 23285520334080. Its totient is φ = 6006480480000.

The previous prime is 12215003535463. The next prime is 12215003535467. The reversal of 12215003535464 is 46453530051221.

It is a super-2 number, since 2×12215003535464² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12215003535463) 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 15 ways as a sum of consecutive naturals, for example, 72394142 + ... + 72562674.

It is an arithmetic number, because the mean of its divisors is an integer number (363836255220).

Almost surely, 2^{12215003535464} is an apocalyptic number.

It is an amenable number.

12215003535464 is a deficient number, since it is larger than the sum of its proper divisors (11070516798616).

12215003535464 is a wasteful number, since it uses less digits than its factorization.

12215003535464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169242 (or 169238 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 12215003535464 its reverse (46453530051221), we get a palindrome (58668533586685).

The spelling of 12215003535464 in words is "twelve trillion, two hundred fifteen billion, three million, five hundred thirty-five thousand, four hundred sixty-four".