121332300210 has 192 divisors, whose sum is σ = 367616620800. Its totient is φ = 27438243840.

The previous prime is 121332300181. The next prime is 121332300251. The reversal of 121332300210 is 12003233121.

121332300210 is a `hidden beast` number, since 1 + 21 + 332 + 300 + 2 + 10 = 666.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1869891 + ... + 1933689.

It is an arithmetic number, because the mean of its divisors is an integer number (1914669900).

Almost surely, 2^121332300210 is an apocalyptic number.

121332300210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 121332300210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183808310400).

121332300210 is an abundant number, since it is smaller than the sum of its proper divisors (246284320590).

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

121332300210 is a wasteful number, since it uses less digits than its factorization.

121332300210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63953 (or 63950 counting only the distinct ones).

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

Adding to 121332300210 its reverse (12003233121), we get a palindrome (133335533331).

The spelling of 121332300210 in words is "one hundred twenty-one billion, three hundred thirty-two million, three hundred thousand, two hundred ten".