1202112221202 has 24 divisors (see below), whose sum is σ = 2607526203984. Its totient is φ = 400250269944.

The previous prime is 1202112221119. The next prime is 1202112221279. The reversal of 1202112221202 is 2021222112021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 37800648 + ... + 37832435.

It is an arithmetic number, because the mean of its divisors is an integer number (108646925166).

Almost surely, 2^{1202112221202} is an apocalyptic number.

1202112221202 is an abundant number, since it is smaller than the sum of its proper divisors (1405413982782).

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

1202112221202 is a wasteful number, since it uses less digits than its factorization.

1202112221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75633974 (or 75633971 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1202112221202 its reverse (2021222112021), we get a palindrome (3223334333223).

The spelling of 1202112221202 in words is "one trillion, two hundred two billion, one hundred twelve million, two hundred twenty-one thousand, two hundred two".