242140231212 has 48 divisors (see below), whose sum is σ = 616390992000. Its totient is φ = 73371775360.

The previous prime is 242140231183. The next prime is 242140231217. The reversal of 242140231212 is 212132041242.

It is not an unprimeable number, because it can be changed into a prime (242140231217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3077539 + ... + 3155237.

It is an arithmetic number, because the mean of its divisors is an integer number (12841479000).

Almost surely, 2^242140231212 is an apocalyptic number.

242140231212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

242140231212 is an abundant number, since it is smaller than the sum of its proper divisors (374250760788).

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

242140231212 is a wasteful number, since it uses less digits than its factorization.

242140231212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101326 (or 101324 counting only the distinct ones).

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

Adding to 242140231212 its reverse (212132041242), we get a palindrome (454272272454).

The spelling of 242140231212 in words is "two hundred forty-two billion, one hundred forty million, two hundred thirty-one thousand, two hundred twelve".