242412321421 has 8 divisors (see below), whose sum is σ = 248092526880. Its totient is φ = 236734057392.

The previous prime is 242412321419. The next prime is 242412321433. The reversal of 242412321421 is 124123214242.

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

It is a cyclic number.

It is not a de Polignac number, because 242412321421 - 2¹ = 242412321419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242412321421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242412321401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231166 + ... + 733663.

It is an arithmetic number, because the mean of its divisors is an integer number (31011565860).

Almost surely, 2^242412321421 is an apocalyptic number.

It is an amenable number.

242412321421 is a deficient number, since it is larger than the sum of its proper divisors (5680205459).

242412321421 is an equidigital number, since it uses as much as digits as its factorization.

242412321421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970715.

The product of its digits is 6144, while the sum is 28.

Adding to 242412321421 its reverse (124123214242), we get a palindrome (366535535663).

The spelling of 242412321421 in words is "two hundred forty-two billion, four hundred twelve million, three hundred twenty-one thousand, four hundred twenty-one".