12126444495 has 32 divisors (see below), whose sum is σ = 21296058624. Its totient is φ = 5843404800.

The previous prime is 12126444487. The next prime is 12126444497. The reversal of 12126444495 is 59444462121.

It is not a de Polignac number, because 12126444495 - 2³ = 12126444487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12126444497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 198546 + ... + 252335.

It is an arithmetic number, because the mean of its divisors is an integer number (665501832).

Almost surely, 2^12126444495 is an apocalyptic number.

12126444495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12126444495 is a deficient number, since it is larger than the sum of its proper divisors (9169614129).

12126444495 is a wasteful number, since it uses less digits than its factorization.

12126444495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451063.

The product of its digits is 276480, while the sum is 42.

The spelling of 12126444495 in words is "twelve billion, one hundred twenty-six million, four hundred forty-four thousand, four hundred ninety-five".