121032043412 has 48 divisors (see below), whose sum is σ = 260730032640. Its totient is φ = 47998010592.

The previous prime is 121032043387. The next prime is 121032043417. The reversal of 121032043412 is 214340230121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121032043417) 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 15 ways as a sum of consecutive naturals, for example, 2622518 + ... + 2668269.

It is an arithmetic number, because the mean of its divisors is an integer number (5431875680).

Almost surely, 2^121032043412 is an apocalyptic number.

It is an amenable number.

121032043412 is an abundant number, since it is smaller than the sum of its proper divisors (139697989228).

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

121032043412 is a wasteful number, since it uses less digits than its factorization.

121032043412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5290860 (or 5290858 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 121032043412 its reverse (214340230121), we get a palindrome (335372273533).

The spelling of 121032043412 in words is "one hundred twenty-one billion, thirty-two million, forty-three thousand, four hundred twelve".