121230002033220 has 24 divisors (see below), whose sum is σ = 339444005693184. Its totient is φ = 32328000542176.

The previous prime is 121230002033197. The next prime is 121230002033233. The reversal of 121230002033220 is 22330200032121.

It is a happy number.

It is a super-3 number, since 3×121230002033220³ (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010250016884 + ... + 1010250017003.

It is an arithmetic number, because the mean of its divisors is an integer number (14143500237216).

Almost surely, 2^{121230002033220} is an apocalyptic number.

121230002033220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121230002033220 is an abundant number, since it is smaller than the sum of its proper divisors (218214003659964).

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

121230002033220 is a wasteful number, since it uses less digits than its factorization.

121230002033220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020500033899 (or 2020500033897 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 121230002033220 its reverse (22330200032121), we get a palindrome (143560202065341).

The spelling of 121230002033220 in words is "one hundred twenty-one trillion, two hundred thirty billion, two million, thirty-three thousand, two hundred twenty".