1012220204 has 6 divisors (see below), whose sum is σ = 1771385364. Its totient is φ = 506110100.

The previous prime is 1012220191. The next prime is 1012220227. The reversal of 1012220204 is 4020222101.

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 as a sum of consecutive naturals, namely, 126527522 + ... + 126527529.

It is an arithmetic number, because the mean of its divisors is an integer number (295230894).

Almost surely, 2^1012220204 is an apocalyptic number.

It is an amenable number.

1012220204 is a deficient number, since it is larger than the sum of its proper divisors (759165160).

1012220204 is a wasteful number, since it uses less digits than its factorization.

1012220204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253055055 (or 253055053 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1012220204 is about 31815.4082796371. The cubic root of 1012220204 is about 1004.0569204725.

Adding to 1012220204 its reverse (4020222101), we get a palindrome (5032442305).

The spelling of 1012220204 in words is "one billion, twelve million, two hundred twenty thousand, two hundred four".