12211442012 has 48 divisors (see below), whose sum is σ = 26652568320. Its totient is φ = 4756022400.

The previous prime is 12211441997. The next prime is 12211442029. The reversal of 12211442012 is 21024411221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1205087 + ... + 1215177.

It is an arithmetic number, because the mean of its divisors is an integer number (555261840).

Almost surely, 2^12211442012 is an apocalyptic number.

It is an amenable number.

12211442012 is an abundant number, since it is smaller than the sum of its proper divisors (14441126308).

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

12211442012 is a wasteful number, since it uses less digits than its factorization.

12211442012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14042 (or 14040 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12211442012 its reverse (21024411221), we get a palindrome (33235853233).

The spelling of 12211442012 in words is "twelve billion, two hundred eleven million, four hundred forty-two thousand, twelve".