1211323202002 has 32 divisors (see below), whose sum is σ = 1914594796800. Its totient is φ = 573651724800.

The previous prime is 1211323201973. The next prime is 1211323202039. The reversal of 1211323202002 is 2002023231121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5341627 + ... + 5563777.

It is an arithmetic number, because the mean of its divisors is an integer number (59831087400).

Almost surely, 2^{1211323202002} is an apocalyptic number.

1211323202002 is a deficient number, since it is larger than the sum of its proper divisors (703271594798).

1211323202002 is a wasteful number, since it uses less digits than its factorization.

1211323202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223338.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1211323202002 its reverse (2002023231121), we get a palindrome (3213346433123).

The spelling of 1211323202002 in words is "one trillion, two hundred eleven billion, three hundred twenty-three million, two hundred two thousand, two".