12140678532 has 24 divisors (see below), whose sum is σ = 28484764672. Its totient is φ = 4024533600.

The previous prime is 12140678531. The next prime is 12140678533. The reversal of 12140678532 is 23587604121.

It is an interprime number because it is at equal distance from previous prime (12140678531) and next prime (12140678533).

It is not an unprimeable number, because it can be changed into a prime (12140678531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2792644 + ... + 2796987.

Almost surely, 2^12140678532 is an apocalyptic number.

12140678532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12140678532 is an abundant number, since it is smaller than the sum of its proper divisors (16344086140).

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

12140678532 is a wasteful number, since it uses less digits than its factorization.

12140678532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5589819 (or 5589817 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 12140678532 in words is "twelve billion, one hundred forty million, six hundred seventy-eight thousand, five hundred thirty-two".