12342012 has 48 divisors (see below), whose sum is σ = 29890560. Its totient is φ = 3961152.

The previous prime is 12341981. The next prime is 12342013. The reversal of 12342012 is 21024321.

It is a junction number, because it is equal to n+sod(n) for n = 12341982 and 12342000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12342013) 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, 44418 + ... + 44694.

It is an arithmetic number, because the mean of its divisors is an integer number (622720).

Almost surely, 2^12342012 is an apocalyptic number.

12342012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12342012 is an abundant number, since it is smaller than the sum of its proper divisors (17548548).

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

12342012 is a wasteful number, since it uses less digits than its factorization.

12342012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12342012 is about 3513.1199808717. The cubic root of 12342012 is about 231.0975394384.

Adding to 12342012 its reverse (21024321), we get a palindrome (33366333).

The spelling of 12342012 in words is "twelve million, three hundred forty-two thousand, twelve".