242140401213 has 32 divisors (see below), whose sum is σ = 342223297536. Its totient is φ = 151968503808.

The previous prime is 242140401161. The next prime is 242140401229. The reversal of 242140401213 is 312104041242.

It is not a de Polignac number, because 242140401213 - 2¹⁰ = 242140400189 is a prime.

It is a super-2 number, since 2×242140401213² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242140401233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5307606 + ... + 5353032.

It is an arithmetic number, because the mean of its divisors is an integer number (10694478048).

Almost surely, 2^242140401213 is an apocalyptic number.

242140401213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

242140401213 is a deficient number, since it is larger than the sum of its proper divisors (100082896323).

242140401213 is a wasteful number, since it uses less digits than its factorization.

242140401213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46673.

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

Adding to 242140401213 its reverse (312104041242), we get a palindrome (554244442455).

The spelling of 242140401213 in words is "two hundred forty-two billion, one hundred forty million, four hundred one thousand, two hundred thirteen".