121202022020000 has 240 divisors, whose sum is σ = 302109800442912. Its totient is φ = 47844201600000.

The previous prime is 121202022019997. The next prime is 121202022020039. The reversal of 121202022020000 is 20220202121.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 620042279 + ... + 620237721.

Almost surely, 2^{121202022020000} is an apocalyptic number.

121202022020000 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 121202022020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151054900221456).

121202022020000 is an abundant number, since it is smaller than the sum of its proper divisors (180907778422912).

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

121202022020000 is a wasteful number, since it uses less digits than its factorization.

121202022020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195881 (or 195858 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 121202022020000 its reverse (20220202121), we get a palindrome (121222242222121).

The spelling of 121202022020000 in words is "one hundred twenty-one trillion, two hundred two billion, twenty-two million, twenty thousand".