121032301300020 has 288 divisors, whose sum is σ = 402551043148800. Its totient is φ = 29191571527680.

The previous prime is 121032301299983. The next prime is 121032301300037. The reversal of 121032301300020 is 20003103230121.

121032301300020 is a `hidden beast` number, since 1 + 2 + 10 + 32 + 301 + 300 + 0 + 20 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 121032301299966 and 121032301300002.

It is a congruent 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, 722717256 + ... + 722884704.

It is an arithmetic number, because the mean of its divisors is an integer number (1397746677600).

Almost surely, 2^{121032301300020} is an apocalyptic number.

121032301300020 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 121032301300020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201275521574400).

121032301300020 is an abundant number, since it is smaller than the sum of its proper divisors (281518741848780).

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

121032301300020 is a wasteful number, since it uses less digits than its factorization.

121032301300020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169335 (or 169330 counting only the distinct ones).

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

Adding to 121032301300020 its reverse (20003103230121), we get a palindrome (141035404530141).

The spelling of 121032301300020 in words is "one hundred twenty-one trillion, thirty-two billion, three hundred one million, three hundred thousand, twenty".