121032123200 has 168 divisors, whose sum is σ = 302870323392. Its totient is φ = 47594004480.

The previous prime is 121032123143. The next prime is 121032123211. The reversal of 121032123200 is 2321230121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77933624 + ... + 77935176.

It is an arithmetic number, because the mean of its divisors is an integer number (1802799544).

Almost surely, 2^121032123200 is an apocalyptic number.

121032123200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121032123200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151435161696).

121032123200 is an abundant number, since it is smaller than the sum of its proper divisors (181838200192).

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

121032123200 is a wasteful number, since it uses less digits than its factorization.

121032123200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369 (or 2354 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 121032123200 its reverse (2321230121), we get a palindrome (123353353321).

The spelling of 121032123200 in words is "one hundred twenty-one billion, thirty-two million, one hundred twenty-three thousand, two hundred".