12377877321 has 8 divisors (see below), whose sum is σ = 16574669280. Its totient is φ = 8216501792.

The previous prime is 12377877307. The next prime is 12377877349.

12377877321 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 12377877321 - 2⁶ = 12377877257 is a prime.

It is a super-2 number, since 2×12377877321² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12377877521) 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, 8853291 + ... + 8854688.

It is an arithmetic number, because the mean of its divisors is an integer number (2071833660).

Almost surely, 2^12377877321 is an apocalyptic number.

It is an amenable number.

12377877321 is a deficient number, since it is larger than the sum of its proper divisors (4196791959).

12377877321 is a wasteful number, since it uses less digits than its factorization.

12377877321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17708215.

The product of its digits is 691488, while the sum is 48.

The spelling of 12377877321 in words is "twelve billion, three hundred seventy-seven million, eight hundred seventy-seven thousand, three hundred twenty-one".