12070005397 has 4 divisors (see below), whose sum is σ = 12074070976. Its totient is φ = 12065939820.

The previous prime is 12070005371. The next prime is 12070005427. The reversal of 12070005397 is 79350007021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12070005397 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 (12070008397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2028333 + ... + 2034274.

It is an arithmetic number, because the mean of its divisors is an integer number (3018517744).

Almost surely, 2^12070005397 is an apocalyptic number.

It is an amenable number.

12070005397 is a deficient number, since it is larger than the sum of its proper divisors (4065579).

12070005397 is an equidigital number, since it uses as much as digits as its factorization.

12070005397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4065578.

The product of its (nonzero) digits is 13230, while the sum is 34.

The spelling of 12070005397 in words is "twelve billion, seventy million, five thousand, three hundred ninety-seven".