121213233303330 has 192 divisors, whose sum is σ = 359890845068160. Its totient is φ = 25977082392576.

The previous prime is 121213233303319. The next prime is 121213233303341. The reversal of 121213233303330 is 33303332312121.

It is an interprime number because it is at equal distance from previous prime (121213233303319) and next prime (121213233303341).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 19661377 + ... + 25079796.

It is an arithmetic number, because the mean of its divisors is an integer number (1874431484730).

Almost surely, 2^{121213233303330} is an apocalyptic number.

121213233303330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121213233303330 is an abundant number, since it is smaller than the sum of its proper divisors (238677611764830).

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

121213233303330 is a wasteful number, since it uses less digits than its factorization.

121213233303330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44741313 (or 44741306 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 121213233303330 its reverse (33303332312121), we get a palindrome (154516565615451).

The spelling of 121213233303330 in words is "one hundred twenty-one trillion, two hundred thirteen billion, two hundred thirty-three million, three hundred three thousand, three hundred thirty".