121430142422 has 4 divisors (see below), whose sum is σ = 182145213636. Its totient is φ = 60715071210.

The previous prime is 121430142391. The next prime is 121430142467. The reversal of 121430142422 is 224241034121.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 121430142391 and 121430142400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30357535604 + ... + 30357535607.

It is an arithmetic number, because the mean of its divisors is an integer number (45536303409).

Almost surely, 2^121430142422 is an apocalyptic number.

121430142422 is a deficient number, since it is larger than the sum of its proper divisors (60715071214).

121430142422 is an equidigital number, since it uses as much as digits as its factorization.

121430142422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60715071213.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 121430142422 its reverse (224241034121), we get a palindrome (345671176543).

The spelling of 121430142422 in words is "one hundred twenty-one billion, four hundred thirty million, one hundred forty-two thousand, four hundred twenty-two".