12021012200002 has 16 divisors (see below), whose sum is σ = 20560826297592. Its totient is φ = 5221797154560.

The previous prime is 12021012199957. The next prime is 12021012200003. The reversal of 12021012200002 is 20000221012021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11948989206361 + 72022993641 = 3456731^2 + 268371^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (12021012200003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13598429649 + ... + 13598430532.

Almost surely, 2^{12021012200002} is an apocalyptic number.

12021012200002 is a deficient number, since it is larger than the sum of its proper divisors (8539814097590).

12021012200002 is a wasteful number, since it uses less digits than its factorization.

12021012200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27196860213.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12021012200002 its reverse (20000221012021), we get a palindrome (32021233212023).

The spelling of 12021012200002 in words is "twelve trillion, twenty-one billion, twelve million, two hundred thousand, two".