12150392640 has 224 divisors, whose sum is σ = 39744359424. Its totient is φ = 3143024640.

The previous prime is 12150392633. The next prime is 12150392717. The reversal of 12150392640 is 4629305121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7753137 + ... + 7754703.

It is an arithmetic number, because the mean of its divisors is an integer number (177430176).

Almost surely, 2^12150392640 is an apocalyptic number.

12150392640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12150392640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19872179712).

12150392640 is an abundant number, since it is smaller than the sum of its proper divisors (27593966784).

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

12150392640 is a wasteful number, since it uses less digits than its factorization.

12150392640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825 (or 1815 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

Adding to 12150392640 its reverse (4629305121), we get a palindrome (16779697761).

The spelling of 12150392640 in words is "twelve billion, one hundred fifty million, three hundred ninety-two thousand, six hundred forty".