12311313030212 has 36 divisors (see below), whose sum is σ = 24652691400960. Its totient is φ = 5269842287520.

The previous prime is 12311313030169. The next prime is 12311313030221. The reversal of 12311313030212 is 21203031311321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18546989 + ... + 19199307.

It is an arithmetic number, because the mean of its divisors is an integer number (684796983360).

Almost surely, 2^{12311313030212} is an apocalyptic number.

It is an amenable number.

12311313030212 is an abundant number, since it is smaller than the sum of its proper divisors (12341378370748).

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

12311313030212 is an frugal number, since it uses more digits than its factorization.

12311313030212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653972 (or 653149 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12311313030212 its reverse (21203031311321), we get a palindrome (33514344341533).

The spelling of 12311313030212 in words is "twelve trillion, three hundred eleven billion, three hundred thirteen million, thirty thousand, two hundred twelve".