121300303032020 has 192 divisors, whose sum is σ = 317131748881920. Its totient is φ = 38029873102848.

The previous prime is 121300303032019. The next prime is 121300303032053. The reversal of 121300303032020 is 20230303003121.

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

It is a junction number, because it is equal to n+sod(n) for n = 121300303031983 and 121300303032001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6430346 + ... + 16850814.

It is an arithmetic number, because the mean of its divisors is an integer number (1651727858760).

Almost surely, 2^{121300303032020} is an apocalyptic number.

121300303032020 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 121300303032020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158565874440960).

121300303032020 is an abundant number, since it is smaller than the sum of its proper divisors (195831445849900).

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

121300303032020 is a wasteful number, since it uses less digits than its factorization.

121300303032020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10420642 (or 10420640 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 121300303032020 its reverse (20230303003121), we get a palindrome (141530606035141).

The spelling of 121300303032020 in words is "one hundred twenty-one trillion, three hundred billion, three hundred three million, thirty-two thousand, twenty".