212303220100200 has 144 divisors (see below), whose sum is σ = 720044238689100. Its totient is φ = 56053655424000.

The previous prime is 212303220100171. The next prime is 212303220100247. The reversal of 212303220100200 is 2001022303212.

212303220100200 is a `hidden beast` number, since 2 + 1 + 230 + 3 + 220 + 10 + 0 + 200 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 194416563035556 + 17886657064644 = 13943334^2 + 4229262^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 583710445 + ... + 584074044.

Almost surely, 2^{212303220100200} is an apocalyptic number.

212303220100200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212303220100200 is an abundant number, since it is smaller than the sum of its proper divisors (507741018588900).

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

212303220100200 is a wasteful number, since it uses less digits than its factorization.

212303220100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167784612 (or 1167784600 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 212303220100200 its reverse (2001022303212), we get a palindrome (214304242403412).

The spelling of 212303220100200 in words is "two hundred twelve trillion, three hundred three billion, two hundred twenty million, one hundred thousand, two hundred".