12291030310 has 24 divisors (see below), whose sum is σ = 23956603200. Its totient is φ = 4538225952.

The previous prime is 12291030287. The next prime is 12291030347. The reversal of 12291030310 is 1303019221.

It is a super-2 number, since 2×12291030310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3634710 + ... + 3638089.

It is an arithmetic number, because the mean of its divisors is an integer number (998191800).

Almost surely, 2^12291030310 is an apocalyptic number.

12291030310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12291030310 is a deficient number, since it is larger than the sum of its proper divisors (11665572890).

12291030310 is a wasteful number, since it uses less digits than its factorization.

12291030310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7272832 (or 7272819 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 12291030310 its reverse (1303019221), we get a palindrome (13594049531).

The spelling of 12291030310 in words is "twelve billion, two hundred ninety-one million, thirty thousand, three hundred ten".