12542070007 has 4 divisors (see below), whose sum is σ = 12575162920. Its totient is φ = 12508977096.

The previous prime is 12542069999. The next prime is 12542070019. The reversal of 12542070007 is 70007024521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12542070007 - 2³ = 12542069999 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 (12542070077) 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, 16545888 + ... + 16546645.

It is an arithmetic number, because the mean of its divisors is an integer number (3143790730).

Almost surely, 2^12542070007 is an apocalyptic number.

12542070007 is a deficient number, since it is larger than the sum of its proper divisors (33092913).

12542070007 is an equidigital number, since it uses as much as digits as its factorization.

12542070007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33092912.

The product of its (nonzero) digits is 3920, while the sum is 28.

Adding to 12542070007 its reverse (70007024521), we get a palindrome (82549094528).

The spelling of 12542070007 in words is "twelve billion, five hundred forty-two million, seventy thousand, seven".