1202212100122 has 16 divisors (see below), whose sum is σ = 1990958048352. Its totient is φ = 539876188720.

The previous prime is 1202212100081. The next prime is 1202212100129. The reversal of 1202212100122 is 2210012122021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1202212100096 and 1202212100105.

It is not an unprimeable number, because it can be changed into a prime (1202212100129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329190973 + ... + 329194624.

It is an arithmetic number, because the mean of its divisors is an integer number (124434878022).

Almost surely, 2^{1202212100122} is an apocalyptic number.

1202212100122 is a deficient number, since it is larger than the sum of its proper divisors (788745948230).

1202212100122 is a wasteful number, since it uses less digits than its factorization.

1202212100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658385693.

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

Adding to 1202212100122 its reverse (2210012122021), we get a palindrome (3412224222143).

The spelling of 1202212100122 in words is "one trillion, two hundred two billion, two hundred twelve million, one hundred thousand, one hundred twenty-two".