1012203002 has 8 divisors (see below), whose sum is σ = 1520183700. Its totient is φ = 505475104.

The previous prime is 1012202959. The next prime is 1012203007. The reversal of 1012203002 is 2003022101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 853165681 + 159037321 = 29209^2 + 12611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 311177 + ... + 314412.

Almost surely, 2^1012203002 is an apocalyptic number.

1012203002 is a deficient number, since it is larger than the sum of its proper divisors (507980698).

1012203002 is an equidigital number, since it uses as much as digits as its factorization.

1012203002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626400.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1012203002 is about 31815.1379377805. The cubic root of 1012203002 is about 1004.0512326835.

Adding to 1012203002 its reverse (2003022101), we get a palindrome (3015225103).

The spelling of 1012203002 in words is "one billion, twelve million, two hundred three thousand, two".