12345212341824 has 112 divisors (see below), whose sum is σ = 34514958981120. Its totient is φ = 3886329807360.

The previous prime is 12345212341823. The next prime is 12345212341837. The reversal of 12345212341824 is 42814321254321.

It is a super-2 number, since 2×12345212341824² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12345212341823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17344582 + ... + 18042309.

Almost surely, 2^{12345212341824} is an apocalyptic number.

It is an amenable number.

12345212341824 is an abundant number, since it is smaller than the sum of its proper divisors (22169746639296).

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

12345212341824 is a wasteful number, since it uses less digits than its factorization.

12345212341824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35387008 (or 35386998 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The spelling of 12345212341824 in words is "twelve trillion, three hundred forty-five billion, two hundred twelve million, three hundred forty-one thousand, eight hundred twenty-four".