13130443212 has 24 divisors (see below), whose sum is σ = 30793227696. Its totient is φ = 4354596288.

The previous prime is 13130443201. The next prime is 13130443231. The reversal of 13130443212 is 21234403131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2774803 + ... + 2779530.

It is an arithmetic number, because the mean of its divisors is an integer number (1283051154).

Almost surely, 2^13130443212 is an apocalyptic number.

13130443212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13130443212 is an abundant number, since it is smaller than the sum of its proper divisors (17662784484).

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

13130443212 is a wasteful number, since it uses less digits than its factorization.

13130443212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5554537 (or 5554535 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13130443212 its reverse (21234403131), we get a palindrome (34364846343).

The spelling of 13130443212 in words is "thirteen billion, one hundred thirty million, four hundred forty-three thousand, two hundred twelve".