213444124000 has 96 divisors (see below), whose sum is σ = 533030071392. Its totient is φ = 83977920000.

The previous prime is 213444123967. The next prime is 213444124021. The reversal of 213444124000 is 421444312.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193386 + ... + 681385.

It is an arithmetic number, because the mean of its divisors is an integer number (5552396577).

Almost surely, 2^213444124000 is an apocalyptic number.

213444124000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213444124000 is an abundant number, since it is smaller than the sum of its proper divisors (319585947392).

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

213444124000 is an equidigital number, since it uses as much as digits as its factorization.

213444124000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874857 (or 874839 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 213444124000 its reverse (421444312), we get a palindrome (213865568312).

The spelling of 213444124000 in words is "two hundred thirteen billion, four hundred forty-four million, one hundred twenty-four thousand".