1202122001222 has 4 divisors (see below), whose sum is σ = 1803183001836. Its totient is φ = 601061000610.

The previous prime is 1202122001191. The next prime is 1202122001239. The reversal of 1202122001222 is 2221002212021.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1202122001222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300530500304 + ... + 300530500307.

It is an arithmetic number, because the mean of its divisors is an integer number (450795750459).

Almost surely, 2^{1202122001222} is an apocalyptic number.

1202122001222 is a deficient number, since it is larger than the sum of its proper divisors (601061000614).

1202122001222 is an equidigital number, since it uses as much as digits as its factorization.

1202122001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601061000613.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1202122001222 its reverse (2221002212021), we get a palindrome (3423124213243).

The spelling of 1202122001222 in words is "one trillion, two hundred two billion, one hundred twenty-two million, one thousand, two hundred twenty-two".