1221132233002 has 16 divisors (see below), whose sum is σ = 2023510262400. Its totient is φ = 548034027840.

The previous prime is 1221132232987. The next prime is 1221132233011. The reversal of 1221132233002 is 2003322311221.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 351302127 + ... + 351305602.

It is an arithmetic number, because the mean of its divisors is an integer number (126469391400).

Almost surely, 2^{1221132233002} is an apocalyptic number.

1221132233002 is a deficient number, since it is larger than the sum of its proper divisors (802378029398).

1221132233002 is a wasteful number, since it uses less digits than its factorization.

1221132233002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702607821.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1221132233002 its reverse (2003322311221), we get a palindrome (3224454544223).

The spelling of 1221132233002 in words is "one trillion, two hundred twenty-one billion, one hundred thirty-two million, two hundred thirty-three thousand, two".