103819212 has 96 divisors (see below), whose sum is σ = 311270400. Its totient is φ = 29310336.

The previous prime is 103819207. The next prime is 103819229. The reversal of 103819212 is 212918301.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66513 + ... + 68055.

It is an arithmetic number, because the mean of its divisors is an integer number (3242400).

Almost surely, 2^103819212 is an apocalyptic number.

103819212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103819212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155635200).

103819212 is an abundant number, since it is smaller than the sum of its proper divisors (207451188).

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

103819212 is a wasteful number, since it uses less digits than its factorization.

103819212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 103819212 is about 10189.1713107593. The cubic root of 103819212 is about 469.9942839202.

The spelling of 103819212 in words is "one hundred three million, eight hundred nineteen thousand, two hundred twelve".