1200001222002 has 64 divisors (see below), whose sum is σ = 2770497976320. Its totient is φ = 342927446400.

The previous prime is 1200001221953. The next prime is 1200001222031. The reversal of 1200001222002 is 2002221000021.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5459227 + ... + 5674782.

It is an arithmetic number, because the mean of its divisors is an integer number (43289030880).

Almost surely, 2^{1200001222002} is an apocalyptic number.

1200001222002 is an abundant number, since it is smaller than the sum of its proper divisors (1570496754318).

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

1200001222002 is a wasteful number, since it uses less digits than its factorization.

1200001222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11134119.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1200001222002 its reverse (2002221000021), we get a palindrome (3202222222023).

The spelling of 1200001222002 in words is "one trillion, two hundred billion, one million, two hundred twenty-two thousand, two".