121202012222020 has 24 divisors (see below), whose sum is σ = 255645477771264. Its totient is φ = 48267233059296.

The previous prime is 121202012222003. The next prime is 121202012222023. The reversal of 121202012222020 is 20222210202121.

It is not an unprimeable number, because it can be changed into a prime (121202012222023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13348234692 + ... + 13348243771.

It is an arithmetic number, because the mean of its divisors is an integer number (10651894907136).

Almost surely, 2^{121202012222020} is an apocalyptic number.

121202012222020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121202012222020 is an abundant number, since it is smaller than the sum of its proper divisors (134443465549244).

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

121202012222020 is a wasteful number, since it uses less digits than its factorization.

121202012222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26696478699 (or 26696478697 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 121202012222020 its reverse (20222210202121), we get a palindrome (141424222424141).

The spelling of 121202012222020 in words is "one hundred twenty-one trillion, two hundred two billion, twelve million, two hundred twenty-two thousand, twenty".