121230232212 has 96 divisors (see below), whose sum is σ = 299522571264. Its totient is φ = 38101017600.

The previous prime is 121230232199. The next prime is 121230232213. The reversal of 121230232212 is 212232032121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121230232213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12150858 + ... + 12160830.

It is an arithmetic number, because the mean of its divisors is an integer number (3120026784).

Almost surely, 2^121230232212 is an apocalyptic number.

121230232212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121230232212 is an abundant number, since it is smaller than the sum of its proper divisors (178292339052).

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

121230232212 is a wasteful number, since it uses less digits than its factorization.

121230232212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10849 (or 10847 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 121230232212 its reverse (212232032121), we get a palindrome (333462264333).

The spelling of 121230232212 in words is "one hundred twenty-one billion, two hundred thirty million, two hundred thirty-two thousand, two hundred twelve".