1023003212 has 36 divisors (see below), whose sum is σ = 2248923600. Its totient is φ = 398571360.

The previous prime is 1023003209. The next prime is 1023003221. The reversal of 1023003212 is 2123003201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 147587 + ... + 154362.

It is an arithmetic number, because the mean of its divisors is an integer number (62470100).

Almost surely, 2^1023003212 is an apocalyptic number.

It is an amenable number.

1023003212 is an abundant number, since it is smaller than the sum of its proper divisors (1225920388).

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

1023003212 is a wasteful number, since it uses less digits than its factorization.

1023003212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301982 (or 301969 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1023003212 is about 31984.4213954231. The cubic root of 1023003212 is about 1007.6096831700.

Adding to 1023003212 its reverse (2123003201), we get a palindrome (3146006413).

The spelling of 1023003212 in words is "one billion, twenty-three million, three thousand, two hundred twelve".