12545554462 has 16 divisors (see below), whose sum is σ = 21508319232. Its totient is φ = 5376252600.

The previous prime is 12545554457. The next prime is 12545554471. The reversal of 12545554462 is 26445554521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217587 + ... + 269137.

It is an arithmetic number, because the mean of its divisors is an integer number (1344269952).

Almost surely, 2^12545554462 is an apocalyptic number.

12545554462 is a deficient number, since it is larger than the sum of its proper divisors (8962764770).

12545554462 is a wasteful number, since it uses less digits than its factorization.

12545554462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68943.

The product of its digits is 960000, while the sum is 43.

The spelling of 12545554462 in words is "twelve billion, five hundred forty-five million, five hundred fifty-four thousand, four hundred sixty-two".