12461022127 has 4 divisors (see below), whose sum is σ = 12465152680. Its totient is φ = 12456891576.

The previous prime is 12461022121. The next prime is 12461022131. The reversal of 12461022127 is 72122016421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12461022127 - 2¹⁹ = 12460497839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12461022095 and 12461022104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12461022121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2060748 + ... + 2066785.

It is an arithmetic number, because the mean of its divisors is an integer number (3116288170).

Almost surely, 2^12461022127 is an apocalyptic number.

12461022127 is a deficient number, since it is larger than the sum of its proper divisors (4130553).

12461022127 is an equidigital number, since it uses as much as digits as its factorization.

12461022127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4130552.

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 12461022127 its reverse (72122016421), we get a palindrome (84583038548).

The spelling of 12461022127 in words is "twelve billion, four hundred sixty-one million, twenty-two thousand, one hundred twenty-seven".