121200004342 has 8 divisors (see below), whose sum is σ = 182118397032. Its totient is φ = 60493872000.

The previous prime is 121200004339. The next prime is 121200004397. The reversal of 121200004342 is 243400002121.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53063659 + ... + 53065942.

It is an arithmetic number, because the mean of its divisors is an integer number (22764799629).

Almost surely, 2^121200004342 is an apocalyptic number.

121200004342 is a deficient number, since it is larger than the sum of its proper divisors (60918392690).

121200004342 is a wasteful number, since it uses less digits than its factorization.

121200004342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106130174.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 121200004342 its reverse (243400002121), we get a palindrome (364600006463).

The spelling of 121200004342 in words is "one hundred twenty-one billion, two hundred million, four thousand, three hundred forty-two".