21084911948012 has 12 divisors (see below), whose sum is σ = 40253013719016. Its totient is φ = 9584050885440.

The previous prime is 21084911947987. The next prime is 21084911948021.

21084911948012 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239601272093 + ... + 239601272180.

It is an arithmetic number, because the mean of its divisors is an integer number (3354417809918).

Almost surely, 2^{21084911948012} is an apocalyptic number.

21084911948012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21084911948012 is a deficient number, since it is larger than the sum of its proper divisors (19168101771004).

21084911948012 is a wasteful number, since it uses less digits than its factorization.

21084911948012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479202544288 (or 479202544286 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 50.

The spelling of 21084911948012 in words is "twenty-one trillion, eighty-four billion, nine hundred eleven million, nine hundred forty-eight thousand, twelve".