212310011021200 has 120 divisors (see below), whose sum is σ = 550605483547200. Its totient is φ = 78430564692480.

The previous prime is 212310011021191. The next prime is 212310011021237. The reversal of 212310011021200 is 2120110013212.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 397615530 + ... + 398149129.

It is an arithmetic number, because the mean of its divisors is an integer number (4588379029560).

Almost surely, 2^{212310011021200} is an apocalyptic number.

212310011021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212310011021200 is an abundant number, since it is smaller than the sum of its proper divisors (338295472526000).

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

212310011021200 is a wasteful number, since it uses less digits than its factorization.

212310011021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795764729 (or 795764718 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212310011021200 its reverse (2120110013212), we get a palindrome (214430121034412).

The spelling of 212310011021200 in words is "two hundred twelve trillion, three hundred ten billion, eleven million, twenty-one thousand, two hundred".