213120200120 has 64 divisors (see below), whose sum is σ = 507786472800. Its totient is φ = 80224174080.

The previous prime is 213120200107. The next prime is 213120200129. The reversal of 213120200120 is 21002021312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213120200095 and 213120200104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213120200129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9516296 + ... + 9538664.

Almost surely, 2^213120200120 is an apocalyptic number.

213120200120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213120200120 is an abundant number, since it is smaller than the sum of its proper divisors (294666272680).

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

213120200120 is a wasteful number, since it uses less digits than its factorization.

213120200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36408 (or 36404 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 213120200120 its reverse (21002021312), we get a palindrome (234122221432).

The spelling of 213120200120 in words is "two hundred thirteen billion, one hundred twenty million, two hundred thousand, one hundred twenty".