1202121001222 has 32 divisors (see below), whose sum is σ = 1909513140480. Its totient is φ = 566608724640.

The previous prime is 1202121001219. The next prime is 1202121001273. The reversal of 1202121001222 is 2221001212021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1202121001196 and 1202121001205.

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 in 15 ways as a sum of consecutive naturals, for example, 6146197 + ... + 6338767.

It is an arithmetic number, because the mean of its divisors is an integer number (59672285640).

Almost surely, 2^{1202121001222} is an apocalyptic number.

1202121001222 is a deficient number, since it is larger than the sum of its proper divisors (707392139258).

1202121001222 is a wasteful number, since it uses less digits than its factorization.

1202121001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195148.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1202121001222 its reverse (2221001212021), we get a palindrome (3423122213243).

The spelling of 1202121001222 in words is "one trillion, two hundred two billion, one hundred twenty-one million, one thousand, two hundred twenty-two".