213321403420120 has 16 divisors (see below), whose sum is σ = 479973157695360. Its totient is φ = 85328561368032.

The previous prime is 213321403420087. The next prime is 213321403420121. The reversal of 213321403420120 is 21024304123312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213321403420121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2666517542712 + ... + 2666517542791.

It is an arithmetic number, because the mean of its divisors is an integer number (29998322355960).

Almost surely, 2^{213321403420120} is an apocalyptic number.

213321403420120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213321403420120 is an abundant number, since it is smaller than the sum of its proper divisors (266651754275240).

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

213321403420120 is a wasteful number, since it uses less digits than its factorization.

213321403420120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333035085514 (or 5333035085510 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 213321403420120 its reverse (21024304123312), we get a palindrome (234345707543432).

The spelling of 213321403420120 in words is "two hundred thirteen trillion, three hundred twenty-one billion, four hundred three million, four hundred twenty thousand, one hundred twenty".