121434041142 has 24 divisors (see below), whose sum is σ = 263113872840. Its totient is φ = 40476970080.

The previous prime is 121434041129. The next prime is 121434041161. The reversal of 121434041142 is 241140434121.

121434041142 is a `hidden beast` number, since 1 + 2 + 143 + 404 + 114 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 993042 + ... + 1108602.

It is an arithmetic number, because the mean of its divisors is an integer number (10963078035).

Almost surely, 2^121434041142 is an apocalyptic number.

121434041142 is an abundant number, since it is smaller than the sum of its proper divisors (141679831698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121434041142 is a wasteful number, since it uses less digits than its factorization.

121434041142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173948 (or 173945 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 121434041142 its reverse (241140434121), we get a palindrome (362574475263).

The spelling of 121434041142 in words is "one hundred twenty-one billion, four hundred thirty-four million, forty-one thousand, one hundred forty-two".