1220001200002 has 32 divisors (see below), whose sum is σ = 1990491439104. Its totient is φ = 557444280000.

The previous prime is 1220001199997. The next prime is 1220001200009. The reversal of 1220001200002 is 2000021000221.

It is not an unprimeable number, because it can be changed into a prime (1220001200009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34516863 + ... + 34552189.

It is an arithmetic number, because the mean of its divisors is an integer number (62202857472).

Almost surely, 2^{1220001200002} is an apocalyptic number.

1220001200002 is a deficient number, since it is larger than the sum of its proper divisors (770490239102).

1220001200002 is a wasteful number, since it uses less digits than its factorization.

1220001200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48594.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1220001200002 its reverse (2000021000221), we get a palindrome (3220022200223).

The spelling of 1220001200002 in words is "one trillion, two hundred twenty billion, one million, two hundred thousand, two".