10311212 has 12 divisors (see below), whose sum is σ = 18095616. Its totient is φ = 5141040.

The previous prime is 10311193. The next prime is 10311221. The reversal of 10311212 is 21211301.

10311212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10311193 and 10311202.

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, 1964 + ... + 4947.

It is an arithmetic number, because the mean of its divisors is an integer number (1507968).

Almost surely, 2^10311212 is an apocalyptic number.

It is an amenable number.

10311212 is a deficient number, since it is larger than the sum of its proper divisors (7784404).

10311212 is a wasteful number, since it uses less digits than its factorization.

10311212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7288 (or 7286 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 10311212 is about 3211.1075970761. The cubic root of 10311212 is about 217.6556300152.

Adding to 10311212 its reverse (21211301), we get a palindrome (31522513).

The spelling of 10311212 in words is "ten million, three hundred eleven thousand, two hundred twelve".