10203212219 has 4 divisors (see below), whose sum is σ = 10208160096. Its totient is φ = 10198264344.

The previous prime is 10203212209. The next prime is 10203212221. The reversal of 10203212219 is 91221230201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10203212219 - 2¹² = 10203208123 is a prime.

It is a super-2 number, since 2×10203212219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10203212194 and 10203212203.

It is not an unprimeable number, because it can be changed into a prime (10203212209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2470844 + ... + 2474969.

It is an arithmetic number, because the mean of its divisors is an integer number (2552040024).

Almost surely, 2^10203212219 is an apocalyptic number.

10203212219 is a deficient number, since it is larger than the sum of its proper divisors (4947877).

10203212219 is an equidigital number, since it uses as much as digits as its factorization.

10203212219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4947876.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 10203212219 in words is "ten billion, two hundred three million, two hundred twelve thousand, two hundred nineteen".