230221232132 has 12 divisors (see below), whose sum is σ = 402942239196. Its totient is φ = 115094878080.

The previous prime is 230221232117. The next prime is 230221232177. The reversal of 230221232132 is 231232122032.

It can be written as a sum of positive squares in 2 ways, for example, as 3982114816 + 226239117316 = 63104^2 + 475646^2 .

It is a junction number, because it is equal to n+sod(n) for n = 230221232098 and 230221232107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3901553 + ... + 3960120.

It is an arithmetic number, because the mean of its divisors is an integer number (33578519933).

Almost surely, 2^230221232132 is an apocalyptic number.

It is an amenable number.

230221232132 is a deficient number, since it is larger than the sum of its proper divisors (172721007064).

230221232132 is a wasteful number, since it uses less digits than its factorization.

230221232132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7868998 (or 7868996 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 230221232132 its reverse (231232122032), we get a palindrome (461453354164).

The spelling of 230221232132 in words is "two hundred thirty billion, two hundred twenty-one million, two hundred thirty-two thousand, one hundred thirty-two".