21130011412 has 24 divisors (see below), whose sum is σ = 38077788672. Its totient is φ = 10253342400.

The previous prime is 21130011379. The next prime is 21130011431. The reversal of 21130011412 is 21411003112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305958 + ... + 368605.

It is an arithmetic number, because the mean of its divisors is an integer number (1586574528).

Almost surely, 2^21130011412 is an apocalyptic number.

It is an amenable number.

21130011412 is a deficient number, since it is larger than the sum of its proper divisors (16947777260).

21130011412 is a wasteful number, since it uses less digits than its factorization.

21130011412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674799 (or 674797 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 21130011412 its reverse (21411003112), we get a palindrome (42541014524).

The spelling of 21130011412 in words is "twenty-one billion, one hundred thirty million, eleven thousand, four hundred twelve".