44220211212 has 12 divisors (see below), whose sum is σ = 103180492856. Its totient is φ = 14740070400.

The previous prime is 44220211163. The next prime is 44220211223. The reversal of 44220211212 is 21211202244.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1842508789 + ... + 1842508812.

Almost surely, 2^44220211212 is an apocalyptic number.

It is an amenable number.

44220211212 is an abundant number, since it is smaller than the sum of its proper divisors (58960281644).

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

44220211212 is a wasteful number, since it uses less digits than its factorization.

44220211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3685017608 (or 3685017606 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 44220211212 its reverse (21211202244), we get a palindrome (65431413456).

The spelling of 44220211212 in words is "forty-four billion, two hundred twenty million, two hundred eleven thousand, two hundred twelve".