121423414422042 has 12 divisors (see below), whose sum is σ = 263084064581130. Its totient is φ = 40474471474008.

The previous prime is 121423414422029. The next prime is 121423414422067. The reversal of 121423414422042 is 240224414324121.

121423414422042 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 2 + 3 + 4 + 1 + 442 + 204 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 118172140231401 + 3251274190641 = 10870701^2 + 1803129^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121423414421988 and 121423414422006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3372872622817 + ... + 3372872622852.

Almost surely, 2^{121423414422042} is an apocalyptic number.

121423414422042 is an abundant number, since it is smaller than the sum of its proper divisors (141660650159088).

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

121423414422042 is a wasteful number, since it uses less digits than its factorization.

121423414422042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6745745245677 (or 6745745245674 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

Adding to 121423414422042 its reverse (240224414324121), we get a palindrome (361647828746163).

The spelling of 121423414422042 in words is "one hundred twenty-one trillion, four hundred twenty-three billion, four hundred fourteen million, four hundred twenty-two thousand, forty-two".