12146010641 has 4 divisors (see below), whose sum is σ = 12146666532. Its totient is φ = 12145354752.

The previous prime is 12146010629. The next prime is 12146010659. The reversal of 12146010641 is 14601064121.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1015760641 + 11130250000 = 31871^2 + 105500^2 .

It is a cyclic number.

It is not a de Polignac number, because 12146010641 - 2⁶ = 12146010577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12146010641.

It is not an unprimeable number, because it can be changed into a prime (12146010691) 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, 299336 + ... + 337481.

It is an arithmetic number, because the mean of its divisors is an integer number (3036666633).

Almost surely, 2^12146010641 is an apocalyptic number.

It is an amenable number.

12146010641 is a deficient number, since it is larger than the sum of its proper divisors (655891).

12146010641 is an equidigital number, since it uses as much as digits as its factorization.

12146010641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655890.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 12146010641 its reverse (14601064121), we get a palindrome (26747074762).

The spelling of 12146010641 in words is "twelve billion, one hundred forty-six million, ten thousand, six hundred forty-one".