140012023243242 has 8 divisors (see below), whose sum is σ = 280024046486496. Its totient is φ = 46670674414412.

The previous prime is 140012023243231. The next prime is 140012023243243. The reversal of 140012023243242 is 242342320210041.

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

140012023243242 is an admirable number.

It is a super-2 number, since 2×140012023243242² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140012023243243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11667668603598 + ... + 11667668603609.

It is an arithmetic number, because the mean of its divisors is an integer number (35003005810812).

Almost surely, 2^{140012023243242} is an apocalyptic number.

140012023243242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

140012023243242 is a wasteful number, since it uses less digits than its factorization.

140012023243242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23335337207212.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 140012023243242 its reverse (242342320210041), we get a palindrome (382354343453283).

The spelling of 140012023243242 in words is "one hundred forty trillion, twelve billion, twenty-three million, two hundred forty-three thousand, two hundred forty-two".