121133121230 has 32 divisors (see below), whose sum is σ = 238765874688. Its totient is φ = 43880912800.

The previous prime is 121133121181. The next prime is 121133121247. The reversal of 121133121230 is 32121331121.

It is a happy number.

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2064626 + ... + 2122485.

It is an arithmetic number, because the mean of its divisors is an integer number (7461433584).

Almost surely, 2^121133121230 is an apocalyptic number.

121133121230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121133121230 is a deficient number, since it is larger than the sum of its proper divisors (117632753458).

121133121230 is a wasteful number, since it uses less digits than its factorization.

121133121230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4187392.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121133121230 its reverse (32121331121), we get a palindrome (153254452351).

The spelling of 121133121230 in words is "one hundred twenty-one billion, one hundred thirty-three million, one hundred twenty-one thousand, two hundred thirty".