121341423320142 has 16 divisors (see below), whose sum is σ = 245409620199120. Its totient is φ = 39992678846912.

The previous prime is 121341423320011. The next prime is 121341423320267. The reversal of 121341423320142 is 241023324143121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113615564373 + ... + 113615565440.

It is an arithmetic number, because the mean of its divisors is an integer number (15338101262445).

Almost surely, 2^{121341423320142} is an apocalyptic number.

121341423320142 is an abundant number, since it is smaller than the sum of its proper divisors (124068196878978).

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

121341423320142 is a wasteful number, since it uses less digits than its factorization.

121341423320142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227231129907.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 121341423320142 its reverse (241023324143121), we get a palindrome (362364747463263).

The spelling of 121341423320142 in words is "one hundred twenty-one trillion, three hundred forty-one billion, four hundred twenty-three million, three hundred twenty thousand, one hundred forty-two".