1210222202202 has 160 divisors (see below), whose sum is σ = 3094709188032. Its totient is φ = 350185130496.

The previous prime is 1210222202183. The next prime is 1210222202227. The reversal of 1210222202202 is 2022022220121.

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 79 ways as a sum of consecutive naturals, for example, 45920793 + ... + 45947139.

Almost surely, 2^{1210222202202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1210222202202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1547354594016).

1210222202202 is an abundant number, since it is smaller than the sum of its proper divisors (1884486985830).

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

1210222202202 is a wasteful number, since it uses less digits than its factorization.

1210222202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27674 (or 27665 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 1210222202202 its reverse (2022022220121), we get a palindrome (3232244422323).

The spelling of 1210222202202 in words is "one trillion, two hundred ten billion, two hundred twenty-two million, two hundred two thousand, two hundred two".