12102022212 has 96 divisors (see below), whose sum is σ = 32573506560. Its totient is φ = 3425535360.

The previous prime is 12102022201. The next prime is 12102022223. The reversal of 12102022212 is 21222020121.

It is an interprime number because it is at equal distance from previous prime (12102022201) and next prime (12102022223).

It is a junction number, because it is equal to n+sod(n) for n = 12102022191 and 12102022200.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7903887 + ... + 7905417.

It is an arithmetic number, because the mean of its divisors is an integer number (339307360).

Almost surely, 2^12102022212 is an apocalyptic number.

12102022212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12102022212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16286753280).

12102022212 is an abundant number, since it is smaller than the sum of its proper divisors (20471484348).

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

12102022212 is a wasteful number, since it uses less digits than its factorization.

12102022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361 (or 2359 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12102022212 its reverse (21222020121), we get a palindrome (33324042333).

The spelling of 12102022212 in words is "twelve billion, one hundred two million, twenty-two thousand, two hundred twelve".