10203023012 has 96 divisors (see below), whose sum is σ = 22698869760. Its totient is φ = 3905510400.

The previous prime is 10203022997. The next prime is 10203023021. The reversal of 10203023012 is 21032030201.

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 (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1519262 + ... + 1525962.

It is an arithmetic number, because the mean of its divisors is an integer number (236446560).

Almost surely, 2^10203023012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10203023012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11349434880).

10203023012 is an abundant number, since it is smaller than the sum of its proper divisors (12495846748).

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

10203023012 is a wasteful number, since it uses less digits than its factorization.

10203023012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6861 (or 6859 counting only the distinct ones).

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

Adding to 10203023012 its reverse (21032030201), we get a palindrome (31235053213).

The spelling of 10203023012 in words is "ten billion, two hundred three million, twenty-three thousand, twelve".