121324443134 has 16 divisors (see below), whose sum is σ = 187873077120. Its totient is φ = 58700414880.

The previous prime is 121324443113. The next prime is 121324443137. The reversal of 121324443134 is 431344423121.

It is a self number, because there is not a number n which added to its sum of digits gives 121324443134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121324443137) 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, 719132 + ... + 871664.

It is an arithmetic number, because the mean of its divisors is an integer number (11742067320).

Almost surely, 2^121324443134 is an apocalyptic number.

121324443134 is a deficient number, since it is larger than the sum of its proper divisors (66548633986).

121324443134 is a wasteful number, since it uses less digits than its factorization.

121324443134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165395.

The product of its digits is 27648, while the sum is 32.

Adding to 121324443134 its reverse (431344423121), we get a palindrome (552668866255).

The spelling of 121324443134 in words is "one hundred twenty-one billion, three hundred twenty-four million, four hundred forty-three thousand, one hundred thirty-four".