121104343432 has 32 divisors (see below), whose sum is σ = 227615339520. Its totient is φ = 60407089600.

The previous prime is 121104343421. The next prime is 121104343439. The reversal of 121104343432 is 234343401121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121104343432.

It is not an unprimeable number, because it can be changed into a prime (121104343439) 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, 6224103 + ... + 6243529.

It is an arithmetic number, because the mean of its divisors is an integer number (7112979360).

Almost surely, 2^121104343432 is an apocalyptic number.

It is an amenable number.

121104343432 is a deficient number, since it is larger than the sum of its proper divisors (106510996088).

121104343432 is a wasteful number, since it uses less digits than its factorization.

121104343432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21261 (or 21257 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 121104343432 its reverse (234343401121), we get a palindrome (355447744553).

The spelling of 121104343432 in words is "one hundred twenty-one billion, one hundred four million, three hundred forty-three thousand, four hundred thirty-two".