1200120111002 has 8 divisors (see below), whose sum is σ = 1802041782816. Its totient is φ = 599439516732.

The previous prime is 1200120110953. The next prime is 1200120111053. The reversal of 1200120111002 is 2001110210021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310266968 + ... + 310270835.

It is an arithmetic number, because the mean of its divisors is an integer number (225255222852).

Almost surely, 2^{1200120111002} is an apocalyptic number.

1200120111002 is a deficient number, since it is larger than the sum of its proper divisors (601921671814).

1200120111002 is an equidigital number, since it uses as much as digits as its factorization.

1200120111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620538772.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1200120111002 its reverse (2001110210021), we get a palindrome (3201230321023).

The spelling of 1200120111002 in words is "one trillion, two hundred billion, one hundred twenty million, one hundred eleven thousand, two".