121043334412 has 288 divisors, whose sum is σ = 292828483584. Its totient is φ = 42504134400.

The previous prime is 121043334323. The next prime is 121043334439. The reversal of 121043334412 is 214433340121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 573664987 + ... + 573665197.

It is an arithmetic number, because the mean of its divisors is an integer number (1016765568).

Almost surely, 2^121043334412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121043334412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146414241792).

121043334412 is an abundant number, since it is smaller than the sum of its proper divisors (171785149172).

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

121043334412 is a wasteful number, since it uses less digits than its factorization.

121043334412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 121043334412 its reverse (214433340121), we get a palindrome (335476674533).

The spelling of 121043334412 in words is "one hundred twenty-one billion, forty-three million, three hundred thirty-four thousand, four hundred twelve".