212001102021200 has 120 divisors (see below), whose sum is σ = 511383816602880. Its totient is φ = 84459376396800.

The previous prime is 212001102021161. The next prime is 212001102021223. The reversal of 212001102021200 is 2120201100212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153193961 + ... + 154571639.

It is an arithmetic number, because the mean of its divisors is an integer number (4261531805024).

Almost surely, 2^{212001102021200} is an apocalyptic number.

212001102021200 is a gapful number since it is divisible by the number (20) 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 212001102021200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255691908301440).

212001102021200 is an abundant number, since it is smaller than the sum of its proper divisors (299382714581680).

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

212001102021200 is a wasteful number, since it uses less digits than its factorization.

212001102021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379245 (or 1379234 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212001102021200 its reverse (2120201100212), we get a palindrome (214121303121412).

The spelling of 212001102021200 in words is "two hundred twelve trillion, one billion, one hundred two million, twenty-one thousand, two hundred".