121221220303230 has 64 divisors (see below), whose sum is σ = 296461349042688. Its totient is φ = 31711336974720.

The previous prime is 121221220303223. The next prime is 121221220303237. The reversal of 121221220303230 is 32303022122121.

121221220303230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (121221220303223) and next prime (121221220303237).

It is a self number, because there is not a number n which added to its sum of digits gives 121221220303230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121221220303237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6169845 + ... + 16748415.

It is an arithmetic number, because the mean of its divisors is an integer number (4632208578792).

Almost surely, 2^{121221220303230} is an apocalyptic number.

121221220303230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121221220303230 is an abundant number, since it is smaller than the sum of its proper divisors (175240128739458).

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

121221220303230 is a wasteful number, since it uses less digits than its factorization.

121221220303230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10585841.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 121221220303230 its reverse (32303022122121), we get a palindrome (153524242425351).

The spelling of 121221220303230 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, two hundred twenty million, three hundred three thousand, two hundred thirty".