1201221220002 has 16 divisors (see below), whose sum is σ = 2402567726112. Its totient is φ = 400386192320.

The previous prime is 1201221219839. The next prime is 1201221220027. The reversal of 1201221220002 is 2000221221021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5095383 + ... + 5325914.

It is an arithmetic number, because the mean of its divisors is an integer number (150160482882).

Almost surely, 2^{1201221220002} is an apocalyptic number.

1201221220002 is an abundant number, since it is smaller than the sum of its proper divisors (1201346506110).

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

1201221220002 is a wasteful number, since it uses less digits than its factorization.

1201221220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10440513.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1201221220002 its reverse (2000221221021), we get a palindrome (3201442441023).

The spelling of 1201221220002 in words is "one trillion, two hundred one billion, two hundred twenty-one million, two hundred twenty thousand, two".