1222004022312 has 32 divisors (see below), whose sum is σ = 3055040016480. Its totient is φ = 407330679360.

The previous prime is 1222004022277. The next prime is 1222004022347. The reversal of 1222004022312 is 2132204002221.

It is an interprime number because it is at equal distance from previous prime (1222004022277) and next prime (1222004022347).

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, 3249198 + ... + 3605730.

It is an arithmetic number, because the mean of its divisors is an integer number (95470000515).

Almost surely, 2^{1222004022312} is an apocalyptic number.

1222004022312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1222004022312 is an abundant number, since it is smaller than the sum of its proper divisors (1833035994168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222004022312 is a wasteful number, since it uses less digits than its factorization.

1222004022312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499353 (or 499349 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 1222004022312 its reverse (2132204002221), we get a palindrome (3354208024533).

The spelling of 1222004022312 in words is "one trillion, two hundred twenty-two billion, four million, twenty-two thousand, three hundred twelve".