12630420145 has 16 divisors (see below), whose sum is σ = 18233389440. Its totient is φ = 8205024384.

The previous prime is 12630420133. The next prime is 12630420161. The reversal of 12630420145 is 54102403621.

It is a cyclic number.

It is not a de Polignac number, because 12630420145 - 2²³ = 12622031537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9495892 + ... + 9497221.

It is an arithmetic number, because the mean of its divisors is an integer number (1139586840).

Almost surely, 2^12630420145 is an apocalyptic number.

It is an amenable number.

12630420145 is a deficient number, since it is larger than the sum of its proper divisors (5602969295).

12630420145 is a wasteful number, since it uses less digits than its factorization.

12630420145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18993144.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 12630420145 its reverse (54102403621), we get a palindrome (66732823766).

The spelling of 12630420145 in words is "twelve billion, six hundred thirty million, four hundred twenty thousand, one hundred forty-five".