10305307012 has 108 divisors (see below), whose sum is σ = 24782553936. Its totient is φ = 3706073280.

The previous prime is 10305306971. The next prime is 10305307079. The reversal of 10305307012 is 21070350301.

It is a super-2 number, since 2×10305307012² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 350223 + ... + 378505.

It is an arithmetic number, because the mean of its divisors is an integer number (229468092).

Almost surely, 2^10305307012 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 10305307012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12391276968).

10305307012 is an abundant number, since it is smaller than the sum of its proper divisors (14477246924).

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

10305307012 is a wasteful number, since it uses less digits than its factorization.

10305307012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28338 (or 28316 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 22.

Adding to 10305307012 its reverse (21070350301), we get a palindrome (31375657313).

The spelling of 10305307012 in words is "ten billion, three hundred five million, three hundred seven thousand, twelve".