230121121132 has 48 divisors (see below), whose sum is σ = 475668910080. Its totient is φ = 95325393600.

The previous prime is 230121121091. The next prime is 230121121147. The reversal of 230121121132 is 231121121032.

It is a super-2 number, since 2×230121121132² (a number of 24 digits) contains 22 as substring.

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, 551169 + ... + 874087.

It is an arithmetic number, because the mean of its divisors is an integer number (9909768960).

Almost surely, 2^230121121132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230121121132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237834455040).

230121121132 is an abundant number, since it is smaller than the sum of its proper divisors (245547788948).

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

230121121132 is a wasteful number, since it uses less digits than its factorization.

230121121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323782 (or 323780 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 230121121132 its reverse (231121121032), we get a palindrome (461242242164).

The spelling of 230121121132 in words is "two hundred thirty billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred thirty-two".