1202202122122 has 4 divisors (see below), whose sum is σ = 1803303183186. Its totient is φ = 601101061060.

The previous prime is 1202202122053. The next prime is 1202202122131. The reversal of 1202202122122 is 2212212022021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 999802009801 + 202400112321 = 999901^2 + 449889^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1202202122122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300550530529 + ... + 300550530532.

Almost surely, 2^{1202202122122} is an apocalyptic number.

1202202122122 is a deficient number, since it is larger than the sum of its proper divisors (601101061064).

1202202122122 is an equidigital number, since it uses as much as digits as its factorization.

1202202122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601101061063.

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

Adding to 1202202122122 its reverse (2212212022021), we get a palindrome (3414414144143).

The spelling of 1202202122122 in words is "one trillion, two hundred two billion, two hundred two million, one hundred twenty-two thousand, one hundred twenty-two".