213001220120 has 32 divisors (see below), whose sum is σ = 516118342320. Its totient is φ = 78646604160.

The previous prime is 213001220087. The next prime is 213001220123. The reversal of 213001220120 is 21022100312.

It is a happy number.

213001220120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 213001220095 and 213001220104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213001220123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204808346 + ... + 204809385.

Almost surely, 2^213001220120 is an apocalyptic number.

213001220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213001220120 is an abundant number, since it is smaller than the sum of its proper divisors (303117122200).

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

213001220120 is a wasteful number, since it uses less digits than its factorization.

213001220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409617755 (or 409617751 counting only the distinct ones).

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

Adding to 213001220120 its reverse (21022100312), we get a palindrome (234023320432).

The spelling of 213001220120 in words is "two hundred thirteen billion, one million, two hundred twenty thousand, one hundred twenty".