121212313032 has 64 divisors (see below), whose sum is σ = 304012215360. Its totient is φ = 40273459200.

The previous prime is 121212312971. The next prime is 121212313049. The reversal of 121212313032 is 230313212121.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10134768 + ... + 10146720.

It is an arithmetic number, because the mean of its divisors is an integer number (4750190865).

Almost surely, 2^121212313032 is an apocalyptic number.

121212313032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121212313032 is an abundant number, since it is smaller than the sum of its proper divisors (182799902328).

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

121212313032 is a wasteful number, since it uses less digits than its factorization.

121212313032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13294 (or 13290 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121212313032 its reverse (230313212121), we get a palindrome (351525525153).

The spelling of 121212313032 in words is "one hundred twenty-one billion, two hundred twelve million, three hundred thirteen thousand, thirty-two".