242123222012 has 24 divisors (see below), whose sum is σ = 485292358656. Its totient is φ = 103542970608.

The previous prime is 242123221997. The next prime is 242123222023. The reversal of 242123222012 is 210222321242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9325328 + ... + 9351255.

It is an arithmetic number, because the mean of its divisors is an integer number (20220514944).

Almost surely, 2^242123222012 is an apocalyptic number.

It is an amenable number.

242123222012 is an abundant number, since it is smaller than the sum of its proper divisors (243169136644).

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

242123222012 is a wasteful number, since it uses less digits than its factorization.

242123222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18677057 (or 18677055 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 242123222012 its reverse (210222321242), we get a palindrome (452345543254).

The spelling of 242123222012 in words is "two hundred forty-two billion, one hundred twenty-three million, two hundred twenty-two thousand, twelve".