1012220212 has 24 divisors (see below), whose sum is σ = 1868832000. Its totient is φ = 478388736.

The previous prime is 1012220191. The next prime is 1012220227. The reversal of 1012220212 is 2120222101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1012220192 and 1012220201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19293 + ... + 48955.

It is an arithmetic number, because the mean of its divisors is an integer number (77868000).

Almost surely, 2^1012220212 is an apocalyptic number.

It is an amenable number.

1012220212 is a deficient number, since it is larger than the sum of its proper divisors (856611788).

1012220212 is a wasteful number, since it uses less digits than its factorization.

1012220212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30135 (or 30133 counting only the distinct ones).

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

The square root of 1012220212 is about 31815.4084053623. The cubic root of 1012220212 is about 1004.0569231177.

Adding to 1012220212 its reverse (2120222101), we get a palindrome (3132442313).

The spelling of 1012220212 in words is "one billion, twelve million, two hundred twenty thousand, two hundred twelve".