12140528740 has 48 divisors (see below), whose sum is σ = 25991905968. Its totient is φ = 4761695744.

The previous prime is 12140528723. The next prime is 12140528753. The reversal of 12140528740 is 4782504121.

It can be written as a sum of positive squares in 8 ways, for example, as 636250176 + 11504278564 = 25224^2 + 107258^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12140528696 and 12140528705.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2852454 + ... + 2856706.

It is an arithmetic number, because the mean of its divisors is an integer number (541498041).

Almost surely, 2^12140528740 is an apocalyptic number.

12140528740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12140528740 is an abundant number, since it is smaller than the sum of its proper divisors (13851377228).

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

12140528740 is a wasteful number, since it uses less digits than its factorization.

12140528740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7008 (or 7006 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The spelling of 12140528740 in words is "twelve billion, one hundred forty million, five hundred twenty-eight thousand, seven hundred forty".