10302331212 has 36 divisors (see below), whose sum is σ = 27174267120. Its totient is φ = 3284800992.

The previous prime is 10302331187. The next prime is 10302331219. The reversal of 10302331212 is 21213320301.

10302331212 is a `hidden beast` number, since 10 + 302 + 331 + 21 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×10302331212² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10302331219) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6220387 + ... + 6222042.

Almost surely, 2^10302331212 is an apocalyptic number.

10302331212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10302331212 is an abundant number, since it is smaller than the sum of its proper divisors (16871935908).

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

10302331212 is a wasteful number, since it uses less digits than its factorization.

10302331212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12442462 (or 12442457 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10302331212 its reverse (21213320301), we get a palindrome (31515651513).

The spelling of 10302331212 in words is "ten billion, three hundred two million, three hundred thirty-one thousand, two hundred twelve".