242120121342 has 32 divisors (see below), whose sum is σ = 529299999360. Its totient is φ = 73225578720.

The previous prime is 242120121323. The next prime is 242120121359. The reversal of 242120121342 is 243121021242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3570028 + ... + 3637215.

It is an arithmetic number, because the mean of its divisors is an integer number (16540624980).

Almost surely, 2^242120121342 is an apocalyptic number.

242120121342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

242120121342 is an abundant number, since it is smaller than the sum of its proper divisors (287179878018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242120121342 is a wasteful number, since it uses less digits than its factorization.

242120121342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7207768.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 242120121342 its reverse (243121021242), we get a palindrome (485241142584).

The spelling of 242120121342 in words is "two hundred forty-two billion, one hundred twenty million, one hundred twenty-one thousand, three hundred forty-two".