12016240020340 has 12 divisors (see below), whose sum is σ = 25234104042756. Its totient is φ = 4806496008128.

The previous prime is 12016240020313. The next prime is 12016240020349. The reversal of 12016240020340 is 4302004261021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8260496795664 + 3755743224676 = 2874108^2 + 1937974^2 .

It is a super-2 number, since 2×12016240020340² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12016240020349) 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, 300406000489 + ... + 300406000528.

It is an arithmetic number, because the mean of its divisors is an integer number (2102842003563).

Almost surely, 2^{12016240020340} is an apocalyptic number.

12016240020340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12016240020340 is an abundant number, since it is smaller than the sum of its proper divisors (13217864022416).

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

12016240020340 is a wasteful number, since it uses less digits than its factorization.

12016240020340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600812001026 (or 600812001024 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12016240020340 its reverse (4302004261021), we get a palindrome (16318244281361).

The spelling of 12016240020340 in words is "twelve trillion, sixteen billion, two hundred forty million, twenty thousand, three hundred forty".