12662340361240 has 32 divisors (see below), whose sum is σ = 28556063232480. Its totient is φ = 5053238825472.

The previous prime is 12662340361199. The next prime is 12662340361273. The reversal of 12662340361240 is 4216304326621.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 12662340361193 and 12662340361202.

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, 365523684 + ... + 365558323.

It is an arithmetic number, because the mean of its divisors is an integer number (892376976015).

Almost surely, 2^{12662340361240} is an apocalyptic number.

12662340361240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12662340361240 is an abundant number, since it is smaller than the sum of its proper divisors (15893722871240).

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

12662340361240 is a wasteful number, since it uses less digits than its factorization.

12662340361240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731082451 (or 731082447 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

Adding to 12662340361240 its reverse (4216304326621), we get a palindrome (16878644687861).

The spelling of 12662340361240 in words is "twelve trillion, six hundred sixty-two billion, three hundred forty million, three hundred sixty-one thousand, two hundred forty".