121353413044 has 12 divisors (see below), whose sum is σ = 212371445664. Its totient is φ = 60675857144.

The previous prime is 121353412997. The next prime is 121353413047. The reversal of 121353413044 is 440314353121.

It is a junction number, because it is equal to n+sod(n) for n = 121353412997 and 121353413015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121353413047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196647 + ... + 530449.

It is an arithmetic number, because the mean of its divisors is an integer number (17697620472).

Almost surely, 2^121353413044 is an apocalyptic number.

It is an amenable number.

121353413044 is a deficient number, since it is larger than the sum of its proper divisors (91018032620).

121353413044 is a wasteful number, since it uses less digits than its factorization.

121353413044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424694 (or 424692 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 121353413044 its reverse (440314353121), we get a palindrome (561667766165).

The spelling of 121353413044 in words is "one hundred twenty-one billion, three hundred fifty-three million, four hundred thirteen thousand, forty-four".