121632003200 has 96 divisors (see below), whose sum is σ = 300588194160. Its totient is φ = 48633512960.

The previous prime is 121632003197. The next prime is 121632003247. The reversal of 121632003200 is 2300236121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10243667 + ... + 10255533.

Almost surely, 2^121632003200 is an apocalyptic number.

121632003200 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 121632003200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150294097080).

121632003200 is an abundant number, since it is smaller than the sum of its proper divisors (178956190960).

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

121632003200 is a wasteful number, since it uses less digits than its factorization.

121632003200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15094 (or 15077 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 121632003200 its reverse (2300236121), we get a palindrome (123932239321).

The spelling of 121632003200 in words is "one hundred twenty-one billion, six hundred thirty-two million, three thousand, two hundred".