1012220302 has 4 divisors (see below), whose sum is σ = 1518330456. Its totient is φ = 506110150.

The previous prime is 1012220267. The next prime is 1012220327. The reversal of 1012220302 is 2030222101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2030222101 = 16187 ⋅125423.

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, 253055074 + ... + 253055077.

It is an arithmetic number, because the mean of its divisors is an integer number (379582614).

Almost surely, 2^1012220302 is an apocalyptic number.

1012220302 is a deficient number, since it is larger than the sum of its proper divisors (506110154).

1012220302 is an equidigital number, since it uses as much as digits as its factorization.

1012220302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506110153.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1012220302 is about 31815.4098197713. The cubic root of 1012220302 is about 1004.0569528757.

Adding to 1012220302 its reverse (2030222101), we get a palindrome (3042442403).

The spelling of 1012220302 in words is "one billion, twelve million, two hundred twenty thousand, three hundred two".