121122231230 has 192 divisors, whose sum is σ = 298447607808. Its totient is φ = 34790595840.

The previous prime is 121122231179. The next prime is 121122231233. The reversal of 121122231230 is 32132221121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121122231233) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 60469409 + ... + 60471411.

It is an arithmetic number, because the mean of its divisors is an integer number (1554414624).

Almost surely, 2^121122231230 is an apocalyptic number.

121122231230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121122231230 is an abundant number, since it is smaller than the sum of its proper divisors (177325376578).

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

121122231230 is a wasteful number, since it uses less digits than its factorization.

121122231230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911 (or 2904 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121122231230 its reverse (32132221121), we get a palindrome (153254452351).

The spelling of 121122231230 in words is "one hundred twenty-one billion, one hundred twenty-two million, two hundred thirty-one thousand, two hundred thirty".