22212111031312 has 20 divisors (see below), whose sum is σ = 43299989454160. Its totient is φ = 11037920204448.

The previous prime is 22212111031277. The next prime is 22212111031387. The reversal of 22212111031312 is 21313011121222.

It is a happy number.

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, 4258454262 + ... + 4258459477.

It is an arithmetic number, because the mean of its divisors is an integer number (2164999472708).

Almost surely, 2^{22212111031312} is an apocalyptic number.

It is an amenable number.

22212111031312 is a deficient number, since it is larger than the sum of its proper divisors (21087878422848).

22212111031312 is a wasteful number, since it uses less digits than its factorization.

22212111031312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8516913910 (or 8516913904 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 22212111031312 its reverse (21313011121222), we get a palindrome (43525122152534).

It can be divided in two parts, 2221211 and 1031312, that added together give a palindrome (3252523).

The spelling of 22212111031312 in words is "twenty-two trillion, two hundred twelve billion, one hundred eleven million, thirty-one thousand, three hundred twelve".