1222112201202 has 24 divisors (see below), whose sum is σ = 2648246404284. Its totient is φ = 407318943744.

The previous prime is 1222112201201. The next prime is 1222112201213. The reversal of 1222112201202 is 2021022112221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1204372358721 + 17739842481 = 1097439^2 + 133191^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1222112201201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4170183 + ... + 4453610.

Almost surely, 2^{1222112201202} is an apocalyptic number.

1222112201202 is an abundant number, since it is smaller than the sum of its proper divisors (1426134203082).

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

1222112201202 is a wasteful number, since it uses less digits than its factorization.

1222112201202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8631674 (or 8631671 counting only the distinct ones).

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

Adding to 1222112201202 its reverse (2021022112221), we get a palindrome (3243134313423).

The spelling of 1222112201202 in words is "one trillion, two hundred twenty-two billion, one hundred twelve million, two hundred one thousand, two hundred two".