12012247407 has 8 divisors (see below), whose sum is σ = 16017986176. Its totient is φ = 8007336792.

The previous prime is 12012247399. The next prime is 12012247409. The reversal of 12012247407 is 70474221021.

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

It is not a de Polignac number, because 12012247407 - 2³ = 12012247399 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 (12012247409) 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, 172363 + ... + 231804.

It is an arithmetic number, because the mean of its divisors is an integer number (2002248272).

Almost surely, 2^12012247407 is an apocalyptic number.

12012247407 is a deficient number, since it is larger than the sum of its proper divisors (4005738769).

12012247407 is an equidigital number, since it uses as much as digits as its factorization.

12012247407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414077.

The product of its (nonzero) digits is 6272, while the sum is 30.

Adding to 12012247407 its reverse (70474221021), we get a palindrome (82486468428).

The spelling of 12012247407 in words is "twelve billion, twelve million, two hundred forty-seven thousand, four hundred seven".