121230443004 has 48 divisors (see below), whose sum is σ = 315763029120. Its totient is φ = 35882159040.

The previous prime is 121230443003. The next prime is 121230443011. The reversal of 121230443004 is 400344032121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121230443003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10673539 + ... + 10684890.

It is an arithmetic number, because the mean of its divisors is an integer number (6578396440).

Almost surely, 2^121230443004 is an apocalyptic number.

It is an amenable number.

121230443004 is an abundant number, since it is smaller than the sum of its proper divisors (194532586116).

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

121230443004 is a wasteful number, since it uses less digits than its factorization.

121230443004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21358490 (or 21358488 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 121230443004 its reverse (400344032121), we get a palindrome (521574475125).

The spelling of 121230443004 in words is "one hundred twenty-one billion, two hundred thirty million, four hundred forty-three thousand, four".