21230342162150 has 48 divisors (see below), whose sum is σ = 43091814715200. Its totient is φ = 7717701405600.

The previous prime is 21230342162111. The next prime is 21230342162243. The reversal of 21230342162150 is 5126124303212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4303100 + ... + 7808799.

It is an arithmetic number, because the mean of its divisors is an integer number (897746139900).

Almost surely, 2^{21230342162150} is an apocalyptic number.

21230342162150 is an abundant number, since it is smaller than the sum of its proper divisors (21861472553050).

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

21230342162150 is a wasteful number, since it uses less digits than its factorization.

21230342162150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12115109 (or 12115104 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 21230342162150 its reverse (5126124303212), we get a palindrome (26356466465362).

The spelling of 21230342162150 in words is "twenty-one trillion, two hundred thirty billion, three hundred forty-two million, one hundred sixty-two thousand, one hundred fifty".