1201001222002 has 24 divisors (see below), whose sum is σ = 1925466605244. Its totient is φ = 559894835712.

The previous prime is 1201001221997. The next prime is 1201001222023. The reversal of 1201001222002 is 2002221001021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1131885337801 + 69115884201 = 1063901^2 + 262899^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1153383 + ... + 1931914.

Almost surely, 2^{1201001222002} is an apocalyptic number.

1201001222002 is a deficient number, since it is larger than the sum of its proper divisors (724465383242).

1201001222002 is a wasteful number, since it uses less digits than its factorization.

1201001222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085530 (or 3085423 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1201001222002 its reverse (2002221001021), we get a palindrome (3203222223023).

The spelling of 1201001222002 in words is "one trillion, two hundred one billion, one million, two hundred twenty-two thousand, two".