1212003120002 has 16 divisors (see below), whose sum is σ = 1845179324352. Its totient is φ = 596943739920.

The previous prime is 1212003119953. The next prime is 1212003120019. The reversal of 1212003120002 is 2000213002121.

It is a happy number.

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, 9647363 + ... + 9772185.

It is an arithmetic number, because the mean of its divisors is an integer number (115323707772).

Almost surely, 2^{1212003120002} is an apocalyptic number.

1212003120002 is a deficient number, since it is larger than the sum of its proper divisors (633176204350).

1212003120002 is a wasteful number, since it uses less digits than its factorization.

1212003120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197353.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1212003120002 its reverse (2000213002121), we get a palindrome (3212216122123).

The spelling of 1212003120002 in words is "one trillion, two hundred twelve billion, three million, one hundred twenty thousand, two".