12347020212 has 12 divisors (see below), whose sum is σ = 28809713856. Its totient is φ = 4115673400.

The previous prime is 12347020201. The next prime is 12347020243. The reversal of 12347020212 is 21202074321.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514459164 + ... + 514459187.

It is an arithmetic number, because the mean of its divisors is an integer number (2400809488).

Almost surely, 2^12347020212 is an apocalyptic number.

12347020212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12347020212 is an abundant number, since it is smaller than the sum of its proper divisors (16462693644).

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

12347020212 is a wasteful number, since it uses less digits than its factorization.

12347020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028918358 (or 1028918356 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

Adding to 12347020212 its reverse (21202074321), we get a palindrome (33549094533).

The spelling of 12347020212 in words is "twelve billion, three hundred forty-seven million, twenty thousand, two hundred twelve".