121330203012200 has 576 divisors, whose sum is σ = 356223962290560. Its totient is φ = 37424747520000.

The previous prime is 121330203012197. The next prime is 121330203012253. The reversal of 121330203012200 is 2210302033121.

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 143 ways as a sum of consecutive naturals, for example, 56935805135 + ... + 56935807265.

Almost surely, 2^{121330203012200} is an apocalyptic number.

121330203012200 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 121330203012200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178111981145280).

121330203012200 is an abundant number, since it is smaller than the sum of its proper divisors (234893759278360).

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

121330203012200 is a wasteful number, since it uses less digits than its factorization.

121330203012200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110 (or 4060 counting only the distinct ones).

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

Adding to 121330203012200 its reverse (2210302033121), we get a palindrome (123540505045321).

The spelling of 121330203012200 in words is "one hundred twenty-one trillion, three hundred thirty billion, two hundred three million, twelve thousand, two hundred".