1211201211002 has 16 divisors (see below), whose sum is σ = 1930296083040. Its totient is φ = 568364953968.

The previous prime is 1211201210959. The next prime is 1211201211007. The reversal of 1211201211002 is 2001121021121.

It is a super-2 number, since 2×1211201211002² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1211201211007) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 148938533 + ... + 148946664.

It is an arithmetic number, because the mean of its divisors is an integer number (120643505190).

Almost surely, 2^{1211201211002} is an apocalyptic number.

1211201211002 is a deficient number, since it is larger than the sum of its proper divisors (719094872038).

1211201211002 is a wasteful number, since it uses less digits than its factorization.

1211201211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297885325.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1211201211002 its reverse (2001121021121), we get a palindrome (3212322232123).

The spelling of 1211201211002 in words is "one trillion, two hundred eleven billion, two hundred one million, two hundred eleven thousand, two".