1202112122012 has 6 divisors (see below), whose sum is σ = 2103696213528. Its totient is φ = 601056061004.

The previous prime is 1202112121999. The next prime is 1202112122063. The reversal of 1202112122012 is 2102212112021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150264015248 + ... + 150264015255.

It is an arithmetic number, because the mean of its divisors is an integer number (350616035588).

Almost surely, 2^{1202112122012} is an apocalyptic number.

It is an amenable number.

1202112122012 is a deficient number, since it is larger than the sum of its proper divisors (901584091516).

1202112122012 is a wasteful number, since it uses less digits than its factorization.

1202112122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300528030507 (or 300528030505 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1202112122012 its reverse (2102212112021), we get a palindrome (3304324234033).

Subtracting 1202112122012 from its reverse (2102212112021), we obtain a palindrome (900099990009).

The spelling of 1202112122012 in words is "one trillion, two hundred two billion, one hundred twelve million, one hundred twenty-two thousand, twelve".