1012321204 has 12 divisors (see below), whose sum is σ = 1772565984. Its totient is φ = 505873784.

The previous prime is 1012321187. The next prime is 1012321207. The reversal of 1012321204 is 4021232101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012321207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63664 + ... + 77959.

It is an arithmetic number, because the mean of its divisors is an integer number (147713832).

Almost surely, 2^1012321204 is an apocalyptic number.

It is an amenable number.

1012321204 is a deficient number, since it is larger than the sum of its proper divisors (760244780).

1012321204 is a wasteful number, since it uses less digits than its factorization.

1012321204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143414 (or 143412 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1012321204 is about 31816.9955212619. The cubic root of 1012321204 is about 1004.0903145159.

Adding to 1012321204 its reverse (4021232101), we get a palindrome (5033553305).

The spelling of 1012321204 in words is "one billion, twelve million, three hundred twenty-one thousand, two hundred four".