121222131230 has 64 divisors (see below), whose sum is σ = 238087987200. Its totient is φ = 44268456960.

The previous prime is 121222131167. The next prime is 121222131271. The reversal of 121222131230 is 32131222121.

121222131230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1364654 + ... + 1450766.

It is an arithmetic number, because the mean of its divisors is an integer number (3720124800).

Almost surely, 2^121222131230 is an apocalyptic number.

121222131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121222131230 is a deficient number, since it is larger than the sum of its proper divisors (116865855970).

121222131230 is a wasteful number, since it uses less digits than its factorization.

121222131230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86409.

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

Adding to 121222131230 its reverse (32131222121), we get a palindrome (153353353351).

The spelling of 121222131230 in words is "one hundred twenty-one billion, two hundred twenty-two million, one hundred thirty-one thousand, two hundred thirty".