121230232000 has 56 divisors (see below), whose sum is σ = 300226689360. Its totient is φ = 48492089600.

The previous prime is 121230231979. The next prime is 121230232001. The reversal of 121230232000 is 232032121.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121230232001) 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, 7568890 + ... + 7584889.

Almost surely, 2^121230232000 is an apocalyptic number.

121230232000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121230232000 is an abundant number, since it is smaller than the sum of its proper divisors (178996457360).

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

121230232000 is an equidigital number, since it uses as much as digits as its factorization.

121230232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15153806 (or 15153786 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 121230232000 its reverse (232032121), we get a palindrome (121462264121).

The spelling of 121230232000 in words is "one hundred twenty-one billion, two hundred thirty million, two hundred thirty-two thousand".