12137701787644 has 48 divisors (see below), whose sum is σ = 22526956076800. Its totient is φ = 5706297072000.

The previous prime is 12137701787641. The next prime is 12137701787647. The reversal of 12137701787644 is 44678710773121.

It is an interprime number because it is at equal distance from previous prime (12137701787641) and next prime (12137701787647).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12137701787641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12487999 + ... + 13424809.

Almost surely, 2^{12137701787644} is an apocalyptic number.

It is an amenable number.

12137701787644 is a deficient number, since it is larger than the sum of its proper divisors (10389254289156).

12137701787644 is a wasteful number, since it uses less digits than its factorization.

12137701787644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938114 (or 938112 counting only the distinct ones).

The product of its (nonzero) digits is 11063808, while the sum is 58.

The spelling of 12137701787644 in words is "twelve trillion, one hundred thirty-seven billion, seven hundred one million, seven hundred eighty-seven thousand, six hundred forty-four".