13012316220 has 24 divisors (see below), whose sum is σ = 36434485584. Its totient is φ = 3469950976.

The previous prime is 13012316209. The next prime is 13012316221. The reversal of 13012316220 is 2261321031.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012316221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108435909 + ... + 108436028.

It is an arithmetic number, because the mean of its divisors is an integer number (1518103566).

Almost surely, 2^13012316220 is an apocalyptic number.

13012316220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13012316220 is an abundant number, since it is smaller than the sum of its proper divisors (23422169364).

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

13012316220 is a wasteful number, since it uses less digits than its factorization.

13012316220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216871949 (or 216871947 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13012316220 its reverse (2261321031), we get a palindrome (15273637251).

The spelling of 13012316220 in words is "thirteen billion, twelve million, three hundred sixteen thousand, two hundred twenty".