121200103332 has 240 divisors, whose sum is σ = 408646465920. Its totient is φ = 30394828800.

The previous prime is 121200103291. The next prime is 121200103337. The reversal of 121200103332 is 233301002121.

121200103332 is a `hidden beast` number, since 121 + 200 + 10 + 3 + 332 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (121200103337) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 639732 + ... + 807252.

It is an arithmetic number, because the mean of its divisors is an integer number (1702693608).

Almost surely, 2^121200103332 is an apocalyptic number.

121200103332 is a gapful number since it is divisible by the number (12) 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 121200103332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204323232960).

121200103332 is an abundant number, since it is smaller than the sum of its proper divisors (287446362588).

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

121200103332 is a wasteful number, since it uses less digits than its factorization.

121200103332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167584 (or 167573 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121200103332 its reverse (233301002121), we get a palindrome (354501105453).

The spelling of 121200103332 in words is "one hundred twenty-one billion, two hundred million, one hundred three thousand, three hundred thirty-two".