121452201242 has 16 divisors (see below), whose sum is σ = 193665319200. Its totient is φ = 56960384400.

The previous prime is 121452201229. The next prime is 121452201259. The reversal of 121452201242 is 242102254121.

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 7 ways as a sum of consecutive naturals, for example, 15818492 + ... + 15826167.

It is an arithmetic number, because the mean of its divisors is an integer number (12104082450).

Almost surely, 2^121452201242 is an apocalyptic number.

121452201242 is a deficient number, since it is larger than the sum of its proper divisors (72213117958).

121452201242 is a wasteful number, since it uses less digits than its factorization.

121452201242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31644781.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 121452201242 its reverse (242102254121), we get a palindrome (363554455363).

The spelling of 121452201242 in words is "one hundred twenty-one billion, four hundred fifty-two million, two hundred one thousand, two hundred forty-two".