12342452412 has 24 divisors (see below), whose sum is σ = 28802543056. Its totient is φ = 4113652608.

The previous prime is 12342452401. The next prime is 12342452417. The reversal of 12342452412 is 21425424321.

It is a happy number.

It is a super-2 number, since 2×12342452412² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12342452412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12342452417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48888 + ... + 164544.

Almost surely, 2^12342452412 is an apocalyptic number.

12342452412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12342452412 is an abundant number, since it is smaller than the sum of its proper divisors (16460090644).

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

12342452412 is a wasteful number, since it uses less digits than its factorization.

12342452412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124557 (or 124555 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

Adding to 12342452412 its reverse (21425424321), we get a palindrome (33767876733).

The spelling of 12342452412 in words is "twelve billion, three hundred forty-two million, four hundred fifty-two thousand, four hundred twelve".