12130213012 has 12 divisors (see below), whose sum is σ = 21238049140. Its totient is φ = 6062198976.

The previous prime is 12130213001. The next prime is 12130213013. The reversal of 12130213012 is 21031203121.

It can be written as a sum of positive squares in 2 ways, for example, as 8633383056 + 3496829956 = 92916^2 + 59134^2 .

It is a super-2 number, since 2×12130213012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12130213013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717483 + ... + 734194.

Almost surely, 2^12130213012 is an apocalyptic number.

It is an amenable number.

12130213012 is a deficient number, since it is larger than the sum of its proper divisors (9107836128).

12130213012 is a wasteful number, since it uses less digits than its factorization.

12130213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453770 (or 1453768 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12130213012 its reverse (21031203121), we get a palindrome (33161416133).

The spelling of 12130213012 in words is "twelve billion, one hundred thirty million, two hundred thirteen thousand, twelve".