1212212211002 has 32 divisors (see below), whose sum is σ = 1992297988800. Its totient is φ = 549745878528.

The previous prime is 1212212210983. The next prime is 1212212211017. The reversal of 1212212211002 is 2001122122121.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3161258 + ... + 3523914.

It is an arithmetic number, because the mean of its divisors is an integer number (62259312150).

Almost surely, 2^{1212212211002} is an apocalyptic number.

1212212211002 is a deficient number, since it is larger than the sum of its proper divisors (780085777798).

1212212211002 is a wasteful number, since it uses less digits than its factorization.

1212212211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364910.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1212212211002 its reverse (2001122122121), we get a palindrome (3213334333123).

The spelling of 1212212211002 in words is "one trillion, two hundred twelve billion, two hundred twelve million, two hundred eleven thousand, two".