121340422004 has 12 divisors (see below), whose sum is σ = 212350163844. Its totient is φ = 60668946624.

The previous prime is 121340422003. The next prime is 121340422013. The reversal of 121340422004 is 400224043121.

It can be written as a sum of positive squares in 2 ways, for example, as 111487874404 + 9852547600 = 333898^2 + 99260^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121340422001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80687 + ... + 499190.

It is an arithmetic number, because the mean of its divisors is an integer number (17695846987).

Almost surely, 2^121340422004 is an apocalyptic number.

It is an amenable number.

121340422004 is a deficient number, since it is larger than the sum of its proper divisors (91009741840).

121340422004 is a wasteful number, since it uses less digits than its factorization.

121340422004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632194 (or 632192 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 121340422004 its reverse (400224043121), we get a palindrome (521564465125).

The spelling of 121340422004 in words is "one hundred twenty-one billion, three hundred forty million, four hundred twenty-two thousand, four".