12462647021 has 8 divisors (see below), whose sum is σ = 14064429600. Its totient is φ = 10939000240.

The previous prime is 12462647003. The next prime is 12462647039. The reversal of 12462647021 is 12074626421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12462647003) and next prime (12462647039).

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 12462647021 - 2¹⁴ = 12462630637 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 (12462647081) 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, 19533611 + ... + 19534248.

It is an arithmetic number, because the mean of its divisors is an integer number (1758053700).

Almost surely, 2^12462647021 is an apocalyptic number.

12462647021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12462647021 is a deficient number, since it is larger than the sum of its proper divisors (1601782579).

12462647021 is a wasteful number, since it uses less digits than its factorization.

12462647021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39067899.

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 12462647021 in words is "twelve billion, four hundred sixty-two million, six hundred forty-seven thousand, twenty-one".