213421445241000 has 128 divisors (see below), whose sum is σ = 668147522515200. Its totient is φ = 56718144940800.

The previous prime is 213421445240933. The next prime is 213421445241019. The reversal of 213421445241000 is 142544124312.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120521140 + ... + 122279139.

It is an arithmetic number, because the mean of its divisors is an integer number (5219902519650).

Almost surely, 2^{213421445241000} is an apocalyptic number.

213421445241000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213421445241000 is an abundant number, since it is smaller than the sum of its proper divisors (454726077274200).

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

213421445241000 is a wasteful number, since it uses less digits than its factorization.

213421445241000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242800596 (or 242800582 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 213421445241000 its reverse (142544124312), we get a palindrome (213563989365312).

The spelling of 213421445241000 in words is "two hundred thirteen trillion, four hundred twenty-one billion, four hundred forty-five million, two hundred forty-one thousand".