1012220102 has 4 divisors (see below), whose sum is σ = 1518330156. Its totient is φ = 506110050.

The previous prime is 1012220047. The next prime is 1012220113. The reversal of 1012220102 is 2010222101.

It is a happy number.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 253055024 + ... + 253055027.

It is an arithmetic number, because the mean of its divisors is an integer number (379582539).

Almost surely, 2^1012220102 is an apocalyptic number.

1012220102 is a deficient number, since it is larger than the sum of its proper divisors (506110054).

1012220102 is an equidigital number, since it uses as much as digits as its factorization.

1012220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506110053.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1012220102 is about 31815.4066766402. The cubic root of 1012220102 is about 1004.0568867467.

Adding to 1012220102 its reverse (2010222101), we get a palindrome (3022442203).

The spelling of 1012220102 in words is "one billion, twelve million, two hundred twenty thousand, one hundred two".