2138203018412 has 24 divisors (see below), whose sum is σ = 3833542430592. Its totient is φ = 1042910928000.

The previous prime is 2138203018387. The next prime is 2138203018507. The reversal of 2138203018412 is 2148103028312.

It is a super-2 number, since 2×2138203018412² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 784037 + ... + 2211587.

It is an arithmetic number, because the mean of its divisors is an integer number (159730934608).

Almost surely, 2^{2138203018412} is an apocalyptic number.

It is an amenable number.

2138203018412 is a deficient number, since it is larger than the sum of its proper divisors (1695339412180).

2138203018412 is a wasteful number, since it uses less digits than its factorization.

2138203018412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436729 (or 1436727 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 2138203018412 in words is "two trillion, one hundred thirty-eight billion, two hundred three million, eighteen thousand, four hundred twelve".