12331030212 has 36 divisors (see below), whose sum is σ = 31174061100. Its totient is φ = 4109821632.

The previous prime is 12331030183. The next prime is 12331030237. The reversal of 12331030212 is 21203013321.

It can be written as a sum of positive squares in 2 ways, for example, as 11279714436 + 1051315776 = 106206^2 + 32424^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 355414 + ... + 388562.

Almost surely, 2^12331030212 is an apocalyptic number.

12331030212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12331030212 is an abundant number, since it is smaller than the sum of its proper divisors (18843030888).

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

12331030212 is a wasteful number, since it uses less digits than its factorization.

12331030212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43492 (or 43487 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12331030212 its reverse (21203013321), we get a palindrome (33534043533).

The spelling of 12331030212 in words is "twelve billion, three hundred thirty-one million, thirty thousand, two hundred twelve".