213020321120 has 48 divisors (see below), whose sum is σ = 504554384880. Its totient is φ = 84989059584.

The previous prime is 213020321117. The next prime is 213020321177. The reversal of 213020321120 is 21123020312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1649042 + ... + 1773521.

It is an arithmetic number, because the mean of its divisors is an integer number (10511549685).

Almost surely, 2^213020321120 is an apocalyptic number.

213020321120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213020321120 is an abundant number, since it is smaller than the sum of its proper divisors (291534063760).

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

213020321120 is a wasteful number, since it uses less digits than its factorization.

213020321120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422967 (or 3422959 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 213020321120 its reverse (21123020312), we get a palindrome (234143341432).

The spelling of 213020321120 in words is "two hundred thirteen billion, twenty million, three hundred twenty-one thousand, one hundred twenty".