1202222122112 has 128 divisors (see below), whose sum is σ = 2663114328000. Its totient is φ = 536037949440.

The previous prime is 1202222122091. The next prime is 1202222122133. The reversal of 1202222122112 is 2112212222021.

It is an interprime number because it is at equal distance from previous prime (1202222122091) and next prime (1202222122133).

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15394139 + ... + 15472037.

Almost surely, 2^{1202222122112} 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 1202222122112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1331557164000).

1202222122112 is an abundant number, since it is smaller than the sum of its proper divisors (1460892205888).

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

1202222122112 is a wasteful number, since it uses less digits than its factorization.

1202222122112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78134 (or 78122 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1202222122112 its reverse (2112212222021), we get a palindrome (3314434344133).

Subtracting 1202222122112 from its reverse (2112212222021), we obtain a palindrome (909990099909).

The spelling of 1202222122112 in words is "one trillion, two hundred two billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred twelve".