1202122122112 has 16 divisors (see below), whose sum is σ = 2394852665400. Its totient is φ = 601061060992.

The previous prime is 1202122122109. The next prime is 1202122122133. The reversal of 1202122122112 is 2112212212021.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 1202122122112.

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 as a sum of consecutive naturals, namely, 4695789412 + ... + 4695789667.

Almost surely, 2^{1202122122112} is an apocalyptic number.

It is an amenable number.

1202122122112 is a deficient number, since it is larger than the sum of its proper divisors (1192730543288).

1202122122112 is an frugal number, since it uses more digits than its factorization.

1202122122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9391579093 (or 9391579081 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1202122122112 its reverse (2112212212021), we get a palindrome (3314334334133).

The spelling of 1202122122112 in words is "one trillion, two hundred two billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred twelve".