21230132013210 has 32 divisors (see below), whose sum is σ = 51264907744320. Its totient is φ = 5626636213248.

The previous prime is 21230132013199. The next prime is 21230132013227. The reversal of 21230132013210 is 1231023103212.

It is a super-3 number, since 3×21230132013210³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2170765255 + ... + 2170775034.

It is an arithmetic number, because the mean of its divisors is an integer number (1602028367010).

Almost surely, 2^{21230132013210} is an apocalyptic number.

21230132013210 is an abundant number, since it is smaller than the sum of its proper divisors (30034775731110).

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

21230132013210 is a wasteful number, since it uses less digits than its factorization.

21230132013210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4341540462.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21230132013210 its reverse (1231023103212), we get a palindrome (22461155116422).

The spelling of 21230132013210 in words is "twenty-one trillion, two hundred thirty billion, one hundred thirty-two million, thirteen thousand, two hundred ten".