210223012 has 12 divisors (see below), whose sum is σ = 368018560. Its totient is φ = 105074856.

The previous prime is 210223009. The next prime is 210223061. The reversal of 210223012 is 210322012.

It is a junction number, because it is equal to n+sod(n) for n = 210222983 and 210223001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6853 + ... + 21619.

Almost surely, 2^210223012 is an apocalyptic number.

It is an amenable number.

210223012 is a deficient number, since it is larger than the sum of its proper divisors (157795548).

210223012 is a wasteful number, since it uses less digits than its factorization.

210223012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18330 (or 18328 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 210223012 is about 14499.0693494445. The cubic root of 210223012 is about 594.6025281280.

Adding to 210223012 its reverse (210322012), we get a palindrome (420545024).

The spelling of 210223012 in words is "two hundred ten million, two hundred twenty-three thousand, twelve".