12277001045 has 8 divisors (see below), whose sum is σ = 14733011160. Its totient is φ = 9821194240.

The previous prime is 12277001041. The next prime is 12277001047. The reversal of 12277001045 is 54010077221.

It can be written as a sum of positive squares in 4 ways, for example, as 771006289 + 11505994756 = 27767^2 + 107266^2 .

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

It is not a de Polignac number, because 12277001045 - 2² = 12277001041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12277000999 and 12277001017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12277001041) 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, 166541 + ... + 228669.

It is an arithmetic number, because the mean of its divisors is an integer number (1841626395).

Almost surely, 2^12277001045 is an apocalyptic number.

It is an amenable number.

12277001045 is a deficient number, since it is larger than the sum of its proper divisors (2456010115).

12277001045 is an equidigital number, since it uses as much as digits as its factorization.

12277001045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101655.

The product of its (nonzero) digits is 3920, while the sum is 29.

Adding to 12277001045 its reverse (54010077221), we get a palindrome (66287078266).

The spelling of 12277001045 in words is "twelve billion, two hundred seventy-seven million, one thousand, forty-five".