12142276105 has 8 divisors (see below), whose sum is σ = 14575394952. Its totient is φ = 9710711808.

The previous prime is 12142276103. The next prime is 12142276121. The reversal of 12142276105 is 50167224121.

It can be written as a sum of positive squares in 4 ways, for example, as 8864599104 + 3277677001 = 94152^2 + 57251^2 .

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 12142276105 - 2¹ = 12142276103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12142276103) 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, 371382 + ... + 402751.

It is an arithmetic number, because the mean of its divisors is an integer number (1821924369).

Almost surely, 2^12142276105 is an apocalyptic number.

It is an amenable number.

12142276105 is a deficient number, since it is larger than the sum of its proper divisors (2433118847).

12142276105 is an equidigital number, since it uses as much as digits as its factorization.

12142276105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777275.

The product of its (nonzero) digits is 6720, while the sum is 31.

The spelling of 12142276105 in words is "twelve billion, one hundred forty-two million, two hundred seventy-six thousand, one hundred five".