121334435434 has 12 divisors (see below), whose sum is σ = 186548992902. Its totient is φ = 59187527840.

The previous prime is 121334435429. The next prime is 121334435437. The reversal of 121334435434 is 434534433121.

It can be written as a sum of positive squares in 3 ways, for example, as 14872534209 + 106461901225 = 121953^2 + 326285^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121334435393 and 121334435402.

It is not an unprimeable number, because it can be changed into a prime (121334435437) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18041617 + ... + 18048340.

Almost surely, 2^121334435434 is an apocalyptic number.

121334435434 is a deficient number, since it is larger than the sum of its proper divisors (65214557468).

121334435434 is an equidigital number, since it uses as much as digits as its factorization.

121334435434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36090041 (or 36090000 counting only the distinct ones).

The product of its digits is 207360, while the sum is 37.

Adding to 121334435434 its reverse (434534433121), we get a palindrome (555868868555).

The spelling of 121334435434 in words is "one hundred twenty-one billion, three hundred thirty-four million, four hundred thirty-five thousand, four hundred thirty-four".