2243241212212 has 144 divisors (see below), whose sum is σ = 5434273753216. Its totient is φ = 787997548800.

The previous prime is 2243241212209. The next prime is 2243241212273. The reversal of 2243241212212 is 2122121423422.

It is a super-2 number, since 2×2243241212212² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1301662 + ... + 2486122.

Almost surely, 2^{2243241212212} is an apocalyptic number.

2243241212212 is a gapful number since it is divisible by the number (22) 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 2243241212212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2717136876608).

2243241212212 is an abundant number, since it is smaller than the sum of its proper divisors (3191032541004).

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

2243241212212 is a wasteful number, since it uses less digits than its factorization.

2243241212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184550 (or 1184537 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

Adding to 2243241212212 its reverse (2122121423422), we get a palindrome (4365362635634).

The spelling of 2243241212212 in words is "two trillion, two hundred forty-three billion, two hundred forty-one million, two hundred twelve thousand, two hundred twelve".