121213102232 has 128 divisors (see below), whose sum is σ = 241790054400. Its totient is φ = 56892326400.

The previous prime is 121213102223. The next prime is 121213102237. The reversal of 121213102232 is 232201312121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121213102237) 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, 450606194 + ... + 450606462.

It is an arithmetic number, because the mean of its divisors is an integer number (1888984800).

Almost surely, 2^121213102232 is an apocalyptic number.

It is an amenable number.

121213102232 is a deficient number, since it is larger than the sum of its proper divisors (120576952168).

121213102232 is a wasteful number, since it uses less digits than its factorization.

121213102232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697 (or 693 counting only the distinct ones).

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

Adding to 121213102232 its reverse (232201312121), we get a palindrome (353414414353).

The spelling of 121213102232 in words is "one hundred twenty-one billion, two hundred thirteen million, one hundred two thousand, two hundred thirty-two".