12545201446 has 4 divisors (see below), whose sum is σ = 18817802172. Its totient is φ = 6272600722.

The previous prime is 12545201399. The next prime is 12545201477. The reversal of 12545201446 is 64410254521.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3136300360 + ... + 3136300363.

It is an arithmetic number, because the mean of its divisors is an integer number (4704450543).

Almost surely, 2^12545201446 is an apocalyptic number.

12545201446 is a deficient number, since it is larger than the sum of its proper divisors (6272600726).

12545201446 is an equidigital number, since it uses as much as digits as its factorization.

12545201446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6272600725.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 12545201446 its reverse (64410254521), we get a palindrome (76955455967).

The spelling of 12545201446 in words is "twelve billion, five hundred forty-five million, two hundred one thousand, four hundred forty-six".