12048090681 has 16 divisors (see below), whose sum is σ = 17642116800. Its totient is φ = 7252864320.

The previous prime is 12048090679. The next prime is 12048090731. The reversal of 12048090681 is 18609084021.

It is not a de Polignac number, because 12048090681 - 2¹ = 12048090679 is a prime.

It is a super-2 number, since 2×12048090681² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12048091681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1220230 + ... + 1230063.

It is an arithmetic number, because the mean of its divisors is an integer number (1102632300).

Almost surely, 2^12048090681 is an apocalyptic number.

12048090681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12048090681 is a deficient number, since it is larger than the sum of its proper divisors (5594026119).

12048090681 is a wasteful number, since it uses less digits than its factorization.

12048090681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450456.

The product of its (nonzero) digits is 27648, while the sum is 39.

The spelling of 12048090681 in words is "twelve billion, forty-eight million, ninety thousand, six hundred eighty-one".