12150069581 has 8 divisors (see below), whose sum is σ = 13085953440. Its totient is φ = 11214366192.

The previous prime is 12150069577. The next prime is 12150069649. The reversal of 12150069581 is 18596005121.

12150069581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12150069581 - 2² = 12150069577 is a prime.

It is a super-2 number, since 2×12150069581² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12150069521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116066 + ... + 194348.

It is an arithmetic number, because the mean of its divisors is an integer number (1635744180).

Almost surely, 2^12150069581 is an apocalyptic number.

It is an amenable number.

12150069581 is a deficient number, since it is larger than the sum of its proper divisors (935883859).

12150069581 is a wasteful number, since it uses less digits than its factorization.

12150069581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90235.

The product of its (nonzero) digits is 21600, while the sum is 38.

The spelling of 12150069581 in words is "twelve billion, one hundred fifty million, sixty-nine thousand, five hundred eighty-one".