1012222012 has 6 divisors (see below), whose sum is σ = 1771388528. Its totient is φ = 506111004.

The previous prime is 1012221971. The next prime is 1012222027. The reversal of 1012222012 is 2102222101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1012221983 and 1012222001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126527748 + ... + 126527755.

Almost surely, 2^1012222012 is an apocalyptic number.

It is an amenable number.

1012222012 is a deficient number, since it is larger than the sum of its proper divisors (759166516).

1012222012 is a wasteful number, since it uses less digits than its factorization.

1012222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253055507 (or 253055505 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1012222012 is about 31815.4366935298. The cubic root of 1012222012 is about 1004.0575182785.

Adding to 1012222012 its reverse (2102222101), we get a palindrome (3114444113).

The spelling of 1012222012 in words is "one billion, twelve million, two hundred twenty-two thousand, twelve".