230121030312 has 48 divisors (see below), whose sum is σ = 632022562080. Its totient is φ = 75626628000.

The previous prime is 230121030253. The next prime is 230121030323. The reversal of 230121030312 is 213030121032.

230121030312 is a `hidden beast` number, since 2 + 301 + 21 + 0 + 30 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22502814 + ... + 22513037.

It is an arithmetic number, because the mean of its divisors is an integer number (13167136710).

Almost surely, 2^230121030312 is an apocalyptic number.

It is an amenable number.

230121030312 is an abundant number, since it is smaller than the sum of its proper divisors (401901531768).

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

230121030312 is a wasteful number, since it uses less digits than its factorization.

230121030312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45015934 (or 45015927 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 230121030312 its reverse (213030121032), we get a palindrome (443151151344).

The spelling of 230121030312 in words is "two hundred thirty billion, one hundred twenty-one million, thirty thousand, three hundred twelve".