12126541446 has 48 divisors (see below), whose sum is σ = 26367395184. Its totient is φ = 4027871232.

The previous prime is 12126541433. The next prime is 12126541451. The reversal of 12126541446 is 64414562121.

It is a self number, because there is not a number n which added to its sum of digits gives 12126541446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10516806 + ... + 10517958.

It is an arithmetic number, because the mean of its divisors is an integer number (549320733).

Almost surely, 2^12126541446 is an apocalyptic number.

12126541446 is an abundant number, since it is smaller than the sum of its proper divisors (14240853738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12126541446 is a wasteful number, since it uses less digits than its factorization.

12126541446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2725 (or 2722 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The spelling of 12126541446 in words is "twelve billion, one hundred twenty-six million, five hundred forty-one thousand, four hundred forty-six".