1222101212202 has 96 divisors (see below), whose sum is σ = 2881548633600. Its totient is φ = 372082377600.

The previous prime is 1222101212131. The next prime is 1222101212237. The reversal of 1222101212202 is 2022121012221.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41273799 + ... + 41303397.

It is an arithmetic number, because the mean of its divisors is an integer number (30016131600).

Almost surely, 2^{1222101212202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222101212202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1440774316800).

1222101212202 is an abundant number, since it is smaller than the sum of its proper divisors (1659447421398).

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

1222101212202 is a wasteful number, since it uses less digits than its factorization.

1222101212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31468 (or 31465 counting only the distinct ones).

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

Adding to 1222101212202 its reverse (2022121012221), we get a palindrome (3244222224423).

The spelling of 1222101212202 in words is "one trillion, two hundred twenty-two billion, one hundred one million, two hundred twelve thousand, two hundred two".