12123302310 has 96 divisors (see below), whose sum is σ = 38142591552. Its totient is φ = 2608035840.

The previous prime is 12123302291. The next prime is 12123302311. The reversal of 12123302310 is 1320332121.

12123302310 is a `hidden beast` number, since 1 + 21 + 2 + 330 + 2 + 310 = 666.

It is a super-2 number, since 2×12123302310² (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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123302311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 555271 + ... + 576690.

It is an arithmetic number, because the mean of its divisors is an integer number (397318662).

Almost surely, 2^12123302310 is an apocalyptic number.

12123302310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12123302310 is an abundant number, since it is smaller than the sum of its proper divisors (26019289242).

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

12123302310 is a wasteful number, since it uses less digits than its factorization.

12123302310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131998 (or 1131995 counting only the distinct ones).

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

Adding to 12123302310 its reverse (1320332121), we get a palindrome (13443634431).

The spelling of 12123302310 in words is "twelve billion, one hundred twenty-three million, three hundred two thousand, three hundred ten".