1212223331002 has 16 divisors (see below), whose sum is σ = 1857083859072. Its totient is φ = 593196223680.

The previous prime is 1212223330957. The next prime is 1212223331017. The reversal of 1212223331002 is 2001333222121.

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 7 ways as a sum of consecutive naturals, for example, 2915698 + ... + 3305410.

It is an arithmetic number, because the mean of its divisors is an integer number (116067741192).

Almost surely, 2^{1212223331002} is an apocalyptic number.

1212223331002 is a deficient number, since it is larger than the sum of its proper divisors (644860528070).

1212223331002 is a wasteful number, since it uses less digits than its factorization.

1212223331002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422853.

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

Adding to 1212223331002 its reverse (2001333222121), we get a palindrome (3213556553123).

The spelling of 1212223331002 in words is "one trillion, two hundred twelve billion, two hundred twenty-three million, three hundred thirty-one thousand, two".