12144465090 has 48 divisors (see below), whose sum is σ = 31604754168. Its totient is φ = 3235534848.

The previous prime is 12144465023. The next prime is 12144465121. The reversal of 12144465090 is 9056444121.

12144465090 is a `hidden beast` number, since 1 + 2 + 144 + 4 + 6 + 509 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 11588307201 + 556157889 = 107649^2 + 23583^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36642 + ... + 160098.

Almost surely, 2^12144465090 is an apocalyptic number.

12144465090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12144465090 is an abundant number, since it is smaller than the sum of its proper divisors (19460289078).

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

12144465090 is a wasteful number, since it uses less digits than its factorization.

12144465090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124563 (or 124560 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 12144465090 in words is "twelve billion, one hundred forty-four million, four hundred sixty-five thousand, ninety".