1200221221002 has 16 divisors (see below), whose sum is σ = 2400494476800. Its totient is φ = 400065067872.

The previous prime is 1200221220967. The next prime is 1200221221013. The reversal of 1200221221002 is 2001221220021.

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, 1865002 + ... + 2424597.

It is an arithmetic number, because the mean of its divisors is an integer number (150030904800).

Almost surely, 2^{1200221221002} is an apocalyptic number.

1200221221002 is an abundant number, since it is smaller than the sum of its proper divisors (1200273255798).

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

1200221221002 is a wasteful number, since it uses less digits than its factorization.

1200221221002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336237.

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

Adding to 1200221221002 its reverse (2001221220021), we get a palindrome (3201442441023).

The spelling of 1200221221002 in words is "one trillion, two hundred billion, two hundred twenty-one million, two hundred twenty-one thousand, two".