1222111212002 has 8 divisors (see below), whose sum is σ = 1837126142976. Its totient is φ = 609735831012.

The previous prime is 1222111211987. The next prime is 1222111212029. The reversal of 1222111212002 is 2002121112221.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 659886338 + ... + 659888189.

It is an arithmetic number, because the mean of its divisors is an integer number (229640767872).

Almost surely, 2^{1222111212002} is an apocalyptic number.

1222111212002 is a deficient number, since it is larger than the sum of its proper divisors (615014930974).

1222111212002 is a wasteful number, since it uses less digits than its factorization.

1222111212002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319774992.

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

Adding to 1222111212002 its reverse (2002121112221), we get a palindrome (3224232324223).

The spelling of 1222111212002 in words is "one trillion, two hundred twenty-two billion, one hundred eleven million, two hundred twelve thousand, two".