1202222202112 has 54 divisors (see below), whose sum is σ = 2434026153314. Its totient is φ = 592644111360.

The previous prime is 1202222202107. The next prime is 1202222202157. The reversal of 1202222202112 is 2112022222021.

It can be written as a sum of positive squares in only one way, i.e., 838352659456 + 363869542656 = 915616^2 + 603216^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1202222202112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 824698 + ... + 1756294.

Almost surely, 2^{1202222202112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202222202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1217013076657).

1202222202112 is an abundant number, since it is smaller than the sum of its proper divisors (1231803951202).

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

1202222202112 is an frugal number, since it uses more digits than its factorization.

1202222202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931755 (or 931670 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1202222202112 its reverse (2112022222021), we get a palindrome (3314244424133).

The spelling of 1202222202112 in words is "one trillion, two hundred two billion, two hundred twenty-two million, two hundred two thousand, one hundred twelve".