121313400141042 has 24 divisors (see below), whose sum is σ = 262867973937660. Its totient is φ = 40434373334400.

The previous prime is 121313400141001. The next prime is 121313400141133. The reversal of 121313400141042 is 240141004313121.

It is a happy number.

121313400141042 is a `hidden beast` number, since 1 + 213 + 1 + 3 + 400 + 1 + 4 + 1 + 0 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 111857719790961 + 9455680350081 = 10576281^2 + 3075009^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121313400140997 and 121313400141015.

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, 285341067 + ... + 285765902.

Almost surely, 2^{121313400141042} is an apocalyptic number.

121313400141042 is an abundant number, since it is smaller than the sum of its proper divisors (141554573796618).

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

121313400141042 is a wasteful number, since it uses less digits than its factorization.

121313400141042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571118778 (or 571118775 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 121313400141042 its reverse (240141004313121), we get a palindrome (361454404454163).

The spelling of 121313400141042 in words is "one hundred twenty-one trillion, three hundred thirteen billion, four hundred million, one hundred forty-one thousand, forty-two".