1012230144 has 72 divisors (see below), whose sum is σ = 2923559730. Its totient is φ = 337403904.

The previous prime is 1012230113. The next prime is 1012230169. The reversal of 1012230144 is 4410322101.

It can be written as a sum of positive squares in only one way, i.e., 914457600 + 97772544 = 30240^2 + 9888^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9027 + ... + 45890.

Almost surely, 2^1012230144 is an apocalyptic number.

It is an amenable number.

1012230144 is an abundant number, since it is smaller than the sum of its proper divisors (1911329586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012230144 is an equidigital number, since it uses as much as digits as its factorization.

1012230144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54945 (or 54922 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1012230144 is about 31815.5644928705. The cubic root of 1012230144 is about 1004.0602070740.

Adding to 1012230144 its reverse (4410322101), we get a palindrome (5422552245).

The spelling of 1012230144 in words is "one billion, twelve million, two hundred thirty thousand, one hundred forty-four".