1322222041212 has 48 divisors (see below), whose sum is σ = 3247659730560. Its totient is φ = 417531354048.

The previous prime is 1322222041201. The next prime is 1322222041213. The reversal of 1322222041212 is 2121402222231.

It is a super-2 number, since 2×1322222041212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322222041213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10317843 + ... + 10445205.

It is an arithmetic number, because the mean of its divisors is an integer number (67659577720).

Almost surely, 2^{1322222041212} is an apocalyptic number.

1322222041212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1322222041212 is an abundant number, since it is smaller than the sum of its proper divisors (1925437689348).

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

1322222041212 is a wasteful number, since it uses less digits than its factorization.

1322222041212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172922 (or 172920 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1322222041212 its reverse (2121402222231), we get a palindrome (3443624263443).

The spelling of 1322222041212 in words is "one trillion, three hundred twenty-two billion, two hundred twenty-two million, forty-one thousand, two hundred twelve".