12202012212 has 24 divisors (see below), whose sum is σ = 30661466976. Its totient is φ = 3754465248.

The previous prime is 12202012177. The next prime is 12202012219. The reversal of 12202012212 is 21221020221.

It is a junction number, because it is equal to n+sod(n) for n = 12202012191 and 12202012200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12202012219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39108858 + ... + 39109169.

It is an arithmetic number, because the mean of its divisors is an integer number (1277561124).

Almost surely, 2^12202012212 is an apocalyptic number.

12202012212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12202012212 is an abundant number, since it is smaller than the sum of its proper divisors (18459454764).

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

12202012212 is a wasteful number, since it uses less digits than its factorization.

12202012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78218047 (or 78218045 counting only the distinct ones).

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

Adding to 12202012212 its reverse (21221020221), we get a palindrome (33423032433).

The spelling of 12202012212 in words is "twelve billion, two hundred two million, twelve thousand, two hundred twelve".