121121232312000 has 224 divisors, whose sum is σ = 408451723729920. Its totient is φ = 31611782323200.

The previous prime is 121121232311987. The next prime is 121121232312007. The reversal of 121121232312000 is 213232121121.

It is not an unprimeable number, because it can be changed into a prime (121121232312007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52560490 + ... + 54816489.

Almost surely, 2^{121121232312000} is an apocalyptic number.

121121232312000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121121232312000 is an abundant number, since it is smaller than the sum of its proper divisors (287330491417920).

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

121121232312000 is a wasteful number, since it uses less digits than its factorization.

121121232312000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107377056 (or 107377036 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121121232312000 its reverse (213232121121), we get a palindrome (121334464433121).

The spelling of 121121232312000 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, two hundred thirty-two million, three hundred twelve thousand".