12076867021 has 8 divisors (see below), whose sum is σ = 12094355000. Its totient is φ = 12059394048.

The previous prime is 12076866983. The next prime is 12076867057.

12076867021 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 232898121 + 11843968900 = 15261^2 + 108830^2 .

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 12076867021 - 2²³ = 12068478413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12076867421) 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, 3491725 + ... + 3495181.

It is an arithmetic number, because the mean of its divisors is an integer number (1511794375).

Almost surely, 2^12076867021 is an apocalyptic number.

It is an amenable number.

12076867021 is a deficient number, since it is larger than the sum of its proper divisors (17487979).

12076867021 is a wasteful number, since it uses less digits than its factorization.

12076867021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7503.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 12076867021 in words is "twelve billion, seventy-six million, eight hundred sixty-seven thousand, twenty-one".