1213112310300 has 216 divisors, whose sum is σ = 4157007184512. Its totient is φ = 293456976000.

The previous prime is 1213112310283. The next prime is 1213112310313. The reversal of 1213112310300 is 30132113121.

1213112310300 is a `hidden beast` number, since 1 + 2 + 131 + 1 + 231 + 0 + 300 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4492105 + ... + 4754495.

It is an arithmetic number, because the mean of its divisors is an integer number (19245403632).

Almost surely, 2^{1213112310300} is an apocalyptic number.

1213112310300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213112310300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2078503592256).

1213112310300 is an abundant number, since it is smaller than the sum of its proper divisors (2943894874212).

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

1213112310300 is a wasteful number, since it uses less digits than its factorization.

1213112310300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262889 (or 262879 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1213112310300 its reverse (30132113121), we get a palindrome (1243244423421).

The spelling of 1213112310300 in words is "one trillion, two hundred thirteen billion, one hundred twelve million, three hundred ten thousand, three hundred".