121401112342 has 8 divisors (see below), whose sum is σ = 182964710232. Its totient is φ = 60412875600.

The previous prime is 121401112319. The next prime is 121401112373. The reversal of 121401112342 is 243211104121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143839759 + ... + 143840602.

It is an arithmetic number, because the mean of its divisors is an integer number (22870588779).

Almost surely, 2^121401112342 is an apocalyptic number.

121401112342 is a deficient number, since it is larger than the sum of its proper divisors (61563597890).

121401112342 is a wasteful number, since it uses less digits than its factorization.

121401112342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287680574.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 121401112342 its reverse (243211104121), we get a palindrome (364612216463).

The spelling of 121401112342 in words is "one hundred twenty-one billion, four hundred one million, one hundred twelve thousand, three hundred forty-two".