12212010112212 has 36 divisors (see below), whose sum is σ = 30896020870260. Its totient is φ = 4067139520512.

The previous prime is 12212010112199. The next prime is 12212010112229. The reversal of 12212010112212 is 21221101021221.

It can be written as a sum of positive squares in 2 ways, for example, as 3365038035216 + 8846972076996 = 1834404^2 + 2974386^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147062787 + ... + 147145802.

Almost surely, 2^{12212010112212} is an apocalyptic number.

12212010112212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12212010112212 is an abundant number, since it is smaller than the sum of its proper divisors (18684010758048).

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

12212010112212 is a wasteful number, since it uses less digits than its factorization.

12212010112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294209752 (or 294209747 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12212010112212 its reverse (21221101021221), we get a palindrome (33433111133433).

Subtracting 12212010112212 from its reverse (21221101021221), we obtain a palindrome (9009090909009).

The spelling of 12212010112212 in words is "twelve trillion, two hundred twelve billion, ten million, one hundred twelve thousand, two hundred twelve".