121305012242 has 8 divisors (see below), whose sum is σ = 181982442096. Its totient is φ = 60644198212.

The previous prime is 121305012233. The next prime is 121305012259. The reversal of 121305012242 is 242210503121.

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

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, 4135688 + ... + 4164915.

It is an arithmetic number, because the mean of its divisors is an integer number (22747805262).

Almost surely, 2^121305012242 is an apocalyptic number.

121305012242 is a deficient number, since it is larger than the sum of its proper divisors (60677429854).

121305012242 is an equidigital number, since it uses as much as digits as its factorization.

121305012242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8307912.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 121305012242 its reverse (242210503121), we get a palindrome (363515515363).

The spelling of 121305012242 in words is "one hundred twenty-one billion, three hundred five million, twelve thousand, two hundred forty-two".