1023203212 has 6 divisors (see below), whose sum is σ = 1790605628. Its totient is φ = 511601604.

The previous prime is 1023203183. The next prime is 1023203221. The reversal of 1023203212 is 2123023201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127900398 + ... + 127900405.

Almost surely, 2^1023203212 is an apocalyptic number.

It is an amenable number.

1023203212 is a deficient number, since it is larger than the sum of its proper divisors (767402416).

1023203212 is a wasteful number, since it uses less digits than its factorization.

1023203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255800807 (or 255800805 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1023203212 is about 31987.5477647162. The cubic root of 1023203212 is about 1007.6753423987.

Adding to 1023203212 its reverse (2123023201), we get a palindrome (3146226413).

The spelling of 1023203212 in words is "one billion, twenty-three million, two hundred three thousand, two hundred twelve".