1202122101222 has 128 divisors (see below), whose sum is σ = 3217292421120. Its totient is φ = 325277251200.

The previous prime is 1202122101181. The next prime is 1202122101223. The reversal of 1202122101222 is 2221012212021.

It is a happy number.

1202122101222 is a `hidden beast` number, since 1 + 20 + 212 + 210 + 1 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1202122101195 and 1202122101204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202122101223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 193588 + ... + 1562600.

It is an arithmetic number, because the mean of its divisors is an integer number (25135097040).

Almost surely, 2^{1202122101222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1202122101222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1608646210560).

1202122101222 is an abundant number, since it is smaller than the sum of its proper divisors (2015170319898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1202122101222 is a wasteful number, since it uses less digits than its factorization.

1202122101222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369155 (or 1369149 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1202122101222 its reverse (2221012212021), we get a palindrome (3423134313243).

The spelling of 1202122101222 in words is "one trillion, two hundred two billion, one hundred twenty-two million, one hundred one thousand, two hundred twenty-two".