121004031412 has 96 divisors (see below), whose sum is σ = 249080832000. Its totient is φ = 50861500800.

The previous prime is 121004031409. The next prime is 121004031413. The reversal of 121004031412 is 214130400121.

It is a self number, because there is not a number n which added to its sum of digits gives 121004031412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121004031413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61143039 + ... + 61145017.

It is an arithmetic number, because the mean of its divisors is an integer number (2594592000).

Almost surely, 2^121004031412 is an apocalyptic number.

It is an amenable number.

121004031412 is an abundant number, since it is smaller than the sum of its proper divisors (128076800588).

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

121004031412 is a wasteful number, since it uses less digits than its factorization.

121004031412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3997 (or 3995 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 121004031412 its reverse (214130400121), we get a palindrome (335134431533).

The spelling of 121004031412 in words is "one hundred twenty-one billion, four million, thirty-one thousand, four hundred twelve".