12541051402 has 32 divisors (see below), whose sum is σ = 21741027264. Its totient is φ = 5362156800.

The previous prime is 12541051379. The next prime is 12541051409. The reversal of 12541051402 is 20415014521.

It is not an unprimeable number, because it can be changed into a prime (12541051409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 740752 + ... + 757492.

It is an arithmetic number, because the mean of its divisors is an integer number (679407102).

Almost surely, 2^12541051402 is an apocalyptic number.

12541051402 is a deficient number, since it is larger than the sum of its proper divisors (9199975862).

12541051402 is a wasteful number, since it uses less digits than its factorization.

12541051402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18774.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 12541051402 its reverse (20415014521), we get a palindrome (32956065923).

The spelling of 12541051402 in words is "twelve billion, five hundred forty-one million, fifty-one thousand, four hundred two".