121000231442 has 8 divisors (see below), whose sum is σ = 181690801596. Its totient is φ = 60436630912.

The previous prime is 121000231403. The next prime is 121000231483. The reversal of 121000231442 is 244132000121.

It can be written as a sum of positive squares in 2 ways, for example, as 120978056761 + 22174681 = 347819^2 + 4709^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31740023 + ... + 31743834.

Almost surely, 2^121000231442 is an apocalyptic number.

121000231442 is a deficient number, since it is larger than the sum of its proper divisors (60690570154).

121000231442 is an equidigital number, since it uses as much as digits as its factorization.

121000231442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63484812.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 121000231442 its reverse (244132000121), we get a palindrome (365132231563).

The spelling of 121000231442 in words is "one hundred twenty-one billion, two hundred thirty-one thousand, four hundred forty-two".