10203263112 has 64 divisors (see below), whose sum is σ = 30686515200. Its totient is φ = 2761784640.

The previous prime is 10203263087. The next prime is 10203263113. The reversal of 10203263112 is 21136230201.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (10203263113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1595064 + ... + 1601447.

It is an arithmetic number, because the mean of its divisors is an integer number (479476800).

Almost surely, 2^10203263112 is an apocalyptic number.

10203263112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10203263112 is an abundant number, since it is smaller than the sum of its proper divisors (20483252088).

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

10203263112 is a wasteful number, since it uses less digits than its factorization.

10203263112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3196546 (or 3196542 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 10203263112 its reverse (21136230201), we get a palindrome (31339493313).

The spelling of 10203263112 in words is "ten billion, two hundred three million, two hundred sixty-three thousand, one hundred twelve".