21312032201230 has 16 divisors (see below), whose sum is σ = 38407932594720. Its totient is φ = 8514529628832.

The previous prime is 21312032201197. The next prime is 21312032201267. The reversal of 21312032201230 is 3210223021312.

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, 1285397754 + ... + 1285414333.

It is an arithmetic number, because the mean of its divisors is an integer number (2400495787170).

Almost surely, 2^{21312032201230} is an apocalyptic number.

21312032201230 is a deficient number, since it is larger than the sum of its proper divisors (17095900393490).

21312032201230 is a wasteful number, since it uses less digits than its factorization.

21312032201230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570812923.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21312032201230 its reverse (3210223021312), we get a palindrome (24522255222542).

The spelling of 21312032201230 in words is "twenty-one trillion, three hundred twelve billion, thirty-two million, two hundred one thousand, two hundred thirty".