212120120120200 has 24 divisors (see below), whose sum is σ = 493179279279930. Its totient is φ = 84848048048000.

The previous prime is 212120120120159. The next prime is 212120120120203. The reversal of 212120120120200 is 2021021021212.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 198933591601924 + 13186528518276 = 14104382^2 + 3631326^2 .

It is not an unprimeable number, because it can be changed into a prime (212120120120203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 530300300101 + ... + 530300300500.

Almost surely, 2^{212120120120200} is an apocalyptic number.

212120120120200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212120120120200 is an abundant number, since it is smaller than the sum of its proper divisors (281059159159730).

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

212120120120200 is a wasteful number, since it uses less digits than its factorization.

212120120120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060600600617 (or 1060600600608 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212120120120200 its reverse (2021021021212), we get a palindrome (214141141141412).

The spelling of 212120120120200 in words is "two hundred twelve trillion, one hundred twenty billion, one hundred twenty million, one hundred twenty thousand, two hundred".