121434161326 has 16 divisors (see below), whose sum is σ = 184713810624. Its totient is φ = 59863497984.

The previous prime is 121434161297. The next prime is 121434161327. The reversal of 121434161326 is 623161434121.

It is a junction number, because it is equal to n+sod(n) for n = 121434161291 and 121434161300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121434161327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253686 + ... + 554278.

It is an arithmetic number, because the mean of its divisors is an integer number (11544613164).

Almost surely, 2^121434161326 is an apocalyptic number.

121434161326 is a deficient number, since it is larger than the sum of its proper divisors (63279649298).

121434161326 is a wasteful number, since it uses less digits than its factorization.

121434161326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303435.

The product of its digits is 20736, while the sum is 34.

Adding to 121434161326 its reverse (623161434121), we get a palindrome (744595595447).

The spelling of 121434161326 in words is "one hundred twenty-one billion, four hundred thirty-four million, one hundred sixty-one thousand, three hundred twenty-six".