18487900892212 has 96 divisors (see below), whose sum is σ = 33060110428800. Its totient is φ = 9044964403200.

The previous prime is 18487900892189. The next prime is 18487900892243. The reversal of 18487900892212 is 21229800978481.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 16945829787 + ... + 16945830877.

It is an arithmetic number, because the mean of its divisors is an integer number (344376150300).

Almost surely, 2^{18487900892212} is an apocalyptic number.

It is an amenable number.

18487900892212 is a deficient number, since it is larger than the sum of its proper divisors (14572209536588).

18487900892212 is a wasteful number, since it uses less digits than its factorization.

18487900892212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417 (or 2415 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 61.

The spelling of 18487900892212 in words is "eighteen trillion, four hundred eighty-seven billion, nine hundred million, eight hundred ninety-two thousand, two hundred twelve".