103212219 has 16 divisors (see below), whose sum is σ = 158958720. Its totient is φ = 58872960.

The previous prime is 103212217. The next prime is 103212223. The reversal of 103212219 is 912212301.

It is not a de Polignac number, because 103212219 - 2¹ = 103212217 is a prime.

It is a super-2 number, since 2×103212219² = 21305524301807922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103212195 and 103212204.

It is not an unprimeable number, because it can be changed into a prime (103212217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91429 + ... + 92550.

It is an arithmetic number, because the mean of its divisors is an integer number (9934920).

Almost surely, 2^103212219 is an apocalyptic number.

103212219 is a deficient number, since it is larger than the sum of its proper divisors (55746501).

103212219 is a wasteful number, since it uses less digits than its factorization.

103212219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184010.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 103212219 is about 10159.3414648785. The cubic root of 103212219 is about 469.0765313831.

The spelling of 103212219 in words is "one hundred three million, two hundred twelve thousand, two hundred nineteen".