12140678516 has 6 divisors (see below), whose sum is σ = 21246187410. Its totient is φ = 6070339256.

The previous prime is 12140678513. The next prime is 12140678531. The reversal of 12140678516 is 61587604121.

It can be written as a sum of positive squares in only one way, i.e., 9417926116 + 2722752400 = 97046^2 + 52180^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140678513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1517584811 + ... + 1517584818.

It is an arithmetic number, because the mean of its divisors is an integer number (3541031235).

Almost surely, 2^12140678516 is an apocalyptic number.

It is an amenable number.

12140678516 is a deficient number, since it is larger than the sum of its proper divisors (9105508894).

12140678516 is a wasteful number, since it uses less digits than its factorization.

12140678516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035169633 (or 3035169631 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 12140678516 in words is "twelve billion, one hundred forty million, six hundred seventy-eight thousand, five hundred sixteen".