1310021212 has 12 divisors (see below), whose sum is σ = 2392212816. Its totient is φ = 626531840.

The previous prime is 1310021201. The next prime is 1310021227. The reversal of 1310021212 is 2121200131.

It is a junction number, because it is equal to n+sod(n) for n = 1310021192 and 1310021201.

It is a congruent number.

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, 7119589 + ... + 7119772.

It is an arithmetic number, because the mean of its divisors is an integer number (199351068).

Almost surely, 2^1310021212 is an apocalyptic number.

It is an amenable number.

1310021212 is a deficient number, since it is larger than the sum of its proper divisors (1082191604).

1310021212 is a wasteful number, since it uses less digits than its factorization.

1310021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14239388 (or 14239386 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1310021212 is about 36194.2151731461. The cubic root of 1310021212 is about 1094.1900871420.

Adding to 1310021212 its reverse (2121200131), we get a palindrome (3431221343).

The spelling of 1310021212 in words is "one billion, three hundred ten million, twenty-one thousand, two hundred twelve".