12207207506 has 16 divisors (see below), whose sum is σ = 19968950400. Its totient is φ = 5562777168.

The previous prime is 12207207421. The next prime is 12207207569. The reversal of 12207207506 is 60570270221.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2969516 + ... + 2973623.

It is an arithmetic number, because the mean of its divisors is an integer number (1248059400).

Almost surely, 2^12207207506 is an apocalyptic number.

12207207506 is a deficient number, since it is larger than the sum of its proper divisors (7761742894).

12207207506 is a wasteful number, since it uses less digits than its factorization.

12207207506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5943233.

The product of its (nonzero) digits is 11760, while the sum is 32.

Adding to 12207207506 its reverse (60570270221), we get a palindrome (72777477727).

The spelling of 12207207506 in words is "twelve billion, two hundred seven million, two hundred seven thousand, five hundred six".