121440402410412 has 48 divisors (see below), whose sum is σ = 285282355680000. Its totient is φ = 40205683492800.

The previous prime is 121440402410407. The next prime is 121440402410413. The reversal of 121440402410412 is 214014204044121.

It is a self number, because there is not a number n which added to its sum of digits gives 121440402410412.

It is not an unprimeable number, because it can be changed into a prime (121440402410413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23683339 + ... + 28351037.

It is an arithmetic number, because the mean of its divisors is an integer number (5943382410000).

Almost surely, 2^{121440402410412} is an apocalyptic number.

121440402410412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121440402410412 is an abundant number, since it is smaller than the sum of its proper divisors (163841953269588).

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

121440402410412 is a wasteful number, since it uses less digits than its factorization.

121440402410412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4682406 (or 4682404 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

Adding to 121440402410412 its reverse (214014204044121), we get a palindrome (335454606454533).

The spelling of 121440402410412 in words is "one hundred twenty-one trillion, four hundred forty billion, four hundred two million, four hundred ten thousand, four hundred twelve".