1220012112002 has 16 divisors (see below), whose sum is σ = 1831171590432. Its totient is φ = 609621667200.

The previous prime is 1220012111963. The next prime is 1220012112013. The reversal of 1220012112002 is 2002112100221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39529877 + ... + 39560727.

It is an arithmetic number, because the mean of its divisors is an integer number (114448224402).

Almost surely, 2^{1220012112002} is an apocalyptic number.

1220012112002 is a deficient number, since it is larger than the sum of its proper divisors (611159478430).

1220012112002 is a wasteful number, since it uses less digits than its factorization.

1220012112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42673.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1220012112002 its reverse (2002112100221), we get a palindrome (3222124212223).

The spelling of 1220012112002 in words is "one trillion, two hundred twenty billion, twelve million, one hundred twelve thousand, two".