853201212120 has 48 divisors (see below), whose sum is σ = 2772903940560. Its totient is φ = 227520323136.

The previous prime is 853201212043. The next prime is 853201212121. The reversal of 853201212120 is 21212102358.

853201212120 is a `hidden beast` number, since 8 + 5 + 320 + 1 + 212 + 120 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853201212121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1185001324 + ... + 1185002043.

It is an arithmetic number, because the mean of its divisors is an integer number (57768832095).

Almost surely, 2^853201212120 is an apocalyptic number.

It is an amenable number.

853201212120 is an abundant number, since it is smaller than the sum of its proper divisors (1919702728440).

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

853201212120 is a wasteful number, since it uses less digits than its factorization.

853201212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370003384 (or 2370003377 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 853201212120 its reverse (21212102358), we get a palindrome (874413314478).

The spelling of 853201212120 in words is "eight hundred fifty-three billion, two hundred one million, two hundred twelve thousand, one hundred twenty".