1012203004 has 12 divisors (see below), whose sum is σ = 1784099800. Its totient is φ = 502460208.

The previous prime is 1012202959. The next prime is 1012203007. The reversal of 1012203004 is 4003022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012203007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909699 + ... + 910810.

Almost surely, 2^1012203004 is an apocalyptic number.

It is an amenable number.

1012203004 is a deficient number, since it is larger than the sum of its proper divisors (771896796).

1012203004 is a wasteful number, since it uses less digits than its factorization.

1012203004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820652 (or 1820650 counting only the distinct ones).

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

The square root of 1012203004 is about 31815.1379692121. The cubic root of 1012203004 is about 1004.0512333448.

Adding to 1012203004 its reverse (4003022101), we get a palindrome (5015225105).

The spelling of 1012203004 in words is "one billion, twelve million, two hundred three thousand, four".