12266332377 has 32 divisors (see below), whose sum is σ = 18417079296. Its totient is φ = 7205352000.

The previous prime is 12266332373. The next prime is 12266332387. The reversal of 12266332377 is 77323366221.

It is not a de Polignac number, because 12266332377 - 2² = 12266332373 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12266332373) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426502 + ... + 454352.

It is an arithmetic number, because the mean of its divisors is an integer number (575533728).

Almost surely, 2^12266332377 is an apocalyptic number.

It is an amenable number.

12266332377 is a deficient number, since it is larger than the sum of its proper divisors (6150746919).

12266332377 is a wasteful number, since it uses less digits than its factorization.

12266332377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28381.

The product of its digits is 381024, while the sum is 42.

Adding to 12266332377 its reverse (77323366221), we get a palindrome (89589698598).

The spelling of 12266332377 in words is "twelve billion, two hundred sixty-six million, three hundred thirty-two thousand, three hundred seventy-seven".