211231011312300 has 144 divisors (see below), whose sum is σ = 698549413087232. Its totient is φ = 48275922240000.

The previous prime is 211231011312287. The next prime is 211231011312311. The reversal of 211231011312300 is 3213110132112.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12937800 + ... + 24286800.

Almost surely, 2^{211231011312300} is an apocalyptic number.

211231011312300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211231011312300 is an abundant number, since it is smaller than the sum of its proper divisors (487318401774932).

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

211231011312300 is a wasteful number, since it uses less digits than its factorization.

211231011312300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11357888 (or 11357881 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 211231011312300 its reverse (3213110132112), we get a palindrome (214444121444412).

The spelling of 211231011312300 in words is "two hundred eleven trillion, two hundred thirty-one billion, eleven million, three hundred twelve thousand, three hundred".