121310400432434 has 16 divisors (see below), whose sum is σ = 184023340140960. Its totient is φ = 59969384698080.

The previous prime is 121310400432433. The next prime is 121310400432461. The reversal of 121310400432434 is 434234004013121.

It is a self number, because there is not a number n which added to its sum of digits gives 121310400432434.

It is not an unprimeable number, because it can be changed into a prime (121310400432433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21919052 + ... + 26889879.

It is an arithmetic number, because the mean of its divisors is an integer number (11501458758810).

Almost surely, 2^{121310400432434} is an apocalyptic number.

121310400432434 is a deficient number, since it is larger than the sum of its proper divisors (62712939708526).

121310400432434 is a wasteful number, since it uses less digits than its factorization.

121310400432434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48822985.

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

Adding to 121310400432434 its reverse (434234004013121), we get a palindrome (555544404445555).

The spelling of 121310400432434 in words is "one hundred twenty-one trillion, three hundred ten billion, four hundred million, four hundred thirty-two thousand, four hundred thirty-four".