1220222212099 has 8 divisors (see below), whose sum is σ = 1331451298800. Its totient is φ = 1109043091200.

The previous prime is 1220222212061. The next prime is 1220222212103. The reversal of 1220222212099 is 9902122220221.

It is a happy number.

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

It is not a de Polignac number, because 1220222212099 - 2⁹ = 1220222211587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220222216099) by changing a digit.

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, 12440374 + ... + 12538075.

It is an arithmetic number, because the mean of its divisors is an integer number (166431412350).

Almost surely, 2^{1220222212099} is an apocalyptic number.

1220222212099 is a deficient number, since it is larger than the sum of its proper divisors (111229086701).

1220222212099 is a wasteful number, since it uses less digits than its factorization.

1220222212099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24982901.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 1220222212099 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, two hundred twelve thousand, ninety-nine".