103211807892 has 24 divisors (see below), whose sum is σ = 240832746336. Its totient is φ = 34403193888.

The previous prime is 103211807879. The next prime is 103211807939. The reversal of 103211807892 is 298708112301.

It is a super-2 number, since 2×103211807892² (a number of 23 digits) contains 22 as substring.

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, 1043578 + ... + 1138190.

It is an arithmetic number, because the mean of its divisors is an integer number (10034697764).

Almost surely, 2^103211807892 is an apocalyptic number.

103211807892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103211807892 is an abundant number, since it is smaller than the sum of its proper divisors (137620938444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103211807892 is a wasteful number, since it uses less digits than its factorization.

103211807892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185527 (or 185525 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The spelling of 103211807892 in words is "one hundred three billion, two hundred eleven million, eight hundred seven thousand, eight hundred ninety-two".