12346619323640 has 128 divisors (see below), whose sum is σ = 33618433829760. Its totient is φ = 3983831384064.

The previous prime is 12346619323481. The next prime is 12346619323693. The reversal of 12346619323640 is 4632391664321.

It is a super-3 number, since 3×12346619323640³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71566124 + ... + 71738436.

It is an arithmetic number, because the mean of its divisors is an integer number (262644014295).

Almost surely, 2^{12346619323640} is an apocalyptic number.

12346619323640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12346619323640 is an abundant number, since it is smaller than the sum of its proper divisors (21271814506120).

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

12346619323640 is a wasteful number, since it uses less digits than its factorization.

12346619323640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187401 (or 187397 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 50.

The spelling of 12346619323640 in words is "twelve trillion, three hundred forty-six billion, six hundred nineteen million, three hundred twenty-three thousand, six hundred forty".