121230512304 has 40 divisors (see below), whose sum is σ = 341649627072. Its totient is φ = 36736518720.

The previous prime is 121230512303. The next prime is 121230512317. The reversal of 121230512304 is 403215032121.

It is a super-2 number, since 2×121230512304² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (121230512303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114801094 + ... + 114802149.

Almost surely, 2^121230512304 is an apocalyptic number.

It is an amenable number.

121230512304 is an abundant number, since it is smaller than the sum of its proper divisors (220419114768).

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

121230512304 is a wasteful number, since it uses less digits than its factorization.

121230512304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229603265 (or 229603259 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 121230512304 its reverse (403215032121), we get a palindrome (524445544425).

The spelling of 121230512304 in words is "one hundred twenty-one billion, two hundred thirty million, five hundred twelve thousand, three hundred four".