121123132000 has 96 divisors (see below), whose sum is σ = 320491944864. Its totient is φ = 44722368000.

The previous prime is 121123131973. The next prime is 121123132007. The reversal of 121123132000 is 231321121.

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 (121123132007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1112646 + ... + 1216645.

It is an arithmetic number, because the mean of its divisors is an integer number (3338457759).

Almost surely, 2^121123132000 is an apocalyptic number.

121123132000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121123132000 is an abundant number, since it is smaller than the sum of its proper divisors (199368812864).

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

121123132000 is a wasteful number, since it uses less digits than its factorization.

121123132000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329329 (or 2329311 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121123132000 its reverse (231321121), we get a palindrome (121354453121).

The spelling of 121123132000 in words is "one hundred twenty-one billion, one hundred twenty-three million, one hundred thirty-two thousand".