121301030020200 has 192 divisors, whose sum is σ = 378256537264320. Its totient is φ = 32156044032000.

The previous prime is 121301030020133. The next prime is 121301030020307. The reversal of 121301030020200 is 2020030103121.

121301030020200 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×121301030020200² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 121301030020200.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 107937190 + ... + 109055210.

It is an arithmetic number, because the mean of its divisors is an integer number (1970086131585).

Almost surely, 2^{121301030020200} is an apocalyptic number.

121301030020200 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 121301030020200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189128268632160).

121301030020200 is an abundant number, since it is smaller than the sum of its proper divisors (256955507244120).

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

121301030020200 is a wasteful number, since it uses less digits than its factorization.

121301030020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119108 (or 1119099 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 121301030020200 its reverse (2020030103121), we get a palindrome (123321060123321).

The spelling of 121301030020200 in words is "one hundred twenty-one trillion, three hundred one billion, thirty million, twenty thousand, two hundred".