12302111212 has 12 divisors (see below), whose sum is σ = 21831916176. Its totient is φ = 6064420880.

The previous prime is 12302111191. The next prime is 12302111249. The reversal of 12302111212 is 21211120321.

It is a super-2 number, since 2×12302111212² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21658363 + ... + 21658930.

It is an arithmetic number, because the mean of its divisors is an integer number (1819326348).

Almost surely, 2^12302111212 is an apocalyptic number.

It is an amenable number.

12302111212 is a deficient number, since it is larger than the sum of its proper divisors (9529804964).

12302111212 is a wasteful number, since it uses less digits than its factorization.

12302111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43317368 (or 43317366 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12302111212 its reverse (21211120321), we get a palindrome (33513231533).

The spelling of 12302111212 in words is "twelve billion, three hundred two million, one hundred eleven thousand, two hundred twelve".