121142404204 has 6 divisors (see below), whose sum is σ = 211999207364. Its totient is φ = 60571202100.

The previous prime is 121142404199. The next prime is 121142404259. The reversal of 121142404204 is 402404241121.

It is a happy number.

121142404204 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×121142404204³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15142800522 + ... + 15142800529.

Almost surely, 2^121142404204 is an apocalyptic number.

It is an amenable number.

121142404204 is a deficient number, since it is larger than the sum of its proper divisors (90856803160).

121142404204 is a wasteful number, since it uses less digits than its factorization.

121142404204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30285601055 (or 30285601053 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 121142404204 its reverse (402404241121), we get a palindrome (523546645325).

The spelling of 121142404204 in words is "one hundred twenty-one billion, one hundred forty-two million, four hundred four thousand, two hundred four".