1202121202022 has 32 divisors (see below), whose sum is σ = 1963896308640. Its totient is φ = 548538312960.

The previous prime is 1202121202003. The next prime is 1202121202027. The reversal of 1202121202022 is 2202021212021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202121202027) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33958772 + ... + 33994152.

It is an arithmetic number, because the mean of its divisors is an integer number (61371759645).

Almost surely, 2^{1202121202022} is an apocalyptic number.

1202121202022 is a deficient number, since it is larger than the sum of its proper divisors (761775106618).

1202121202022 is a wasteful number, since it uses less digits than its factorization.

1202121202022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50168.

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

Adding to 1202121202022 its reverse (2202021212021), we get a palindrome (3404142414043).

Subtracting 1202121202022 from its reverse (2202021212021), we obtain a palindrome (999900009999).

The spelling of 1202121202022 in words is "one trillion, two hundred two billion, one hundred twenty-one million, two hundred two thousand, twenty-two".