131212213324300 has 72 divisors (see below), whose sum is σ = 285937094323440. Its totient is φ = 52262674425600.

The previous prime is 131212213324277. The next prime is 131212213324307. The reversal of 131212213324300 is 3423312212131.

It is a super-2 number, since 2×131212213324300² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131212213324307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50680882 + ... + 53206918.

It is an arithmetic number, because the mean of its divisors is an integer number (3971348532270).

Almost surely, 2^{131212213324300} is an apocalyptic number.

131212213324300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131212213324300 is an abundant number, since it is smaller than the sum of its proper divisors (154724880999140).

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

131212213324300 is a wasteful number, since it uses less digits than its factorization.

131212213324300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528251 (or 2528244 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 131212213324300 its reverse (3423312212131), we get a palindrome (134635525536431).

The spelling of 131212213324300 in words is "one hundred thirty-one trillion, two hundred twelve billion, two hundred thirteen million, three hundred twenty-four thousand, three hundred".