213001120242 has 12 divisors (see below), whose sum is σ = 461502427230. Its totient is φ = 71000373408.

The previous prime is 213001120229. The next prime is 213001120253. The reversal of 213001120242 is 242021100312.

It is a happy number.

213001120242 is a `hidden beast` number, since 2 + 1 + 300 + 1 + 120 + 242 = 666.

It can be written as a sum of positive squares in only one way, i.e., 120056013081 + 92945107161 = 346491^2 + 304869^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11833395569 = 213001120242 / (2 + 1 + 3 + 0 + 0 + 1 + 1 + 2 + 0 + 2 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5916697767 + ... + 5916697802.

Almost surely, 2^213001120242 is an apocalyptic number.

213001120242 is an abundant number, since it is smaller than the sum of its proper divisors (248501306988).

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

213001120242 is a wasteful number, since it uses less digits than its factorization.

213001120242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11833395577 (or 11833395574 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 213001120242 its reverse (242021100312), we get a palindrome (455022220554).

The spelling of 213001120242 in words is "two hundred thirteen billion, one million, one hundred twenty thousand, two hundred forty-two".