230021121300000 has 144 divisors (see below), whose sum is σ = 754708500814464. Its totient is φ = 61338965600000.

The previous prime is 230021121299999. The next prime is 230021121300001. The reversal of 230021121300000 is 3121120032.

It is an interprime number because it is at equal distance from previous prime (230021121299999) and next prime (230021121300001).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (230021121300001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 383068536 + ... + 383668535.

It is an arithmetic number, because the mean of its divisors is an integer number (5241031255656).

Almost surely, 2^{230021121300000} is an apocalyptic number.

230021121300000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230021121300000 is an abundant number, since it is smaller than the sum of its proper divisors (524687379514464).

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

230021121300000 is an frugal number, since it uses more digits than its factorization.

230021121300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766737109 (or 766737081 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 230021121300000 its reverse (3121120032), we get a palindrome (230024242420032).

The spelling of 230021121300000 in words is "two hundred thirty trillion, twenty-one billion, one hundred twenty-one million, three hundred thousand".