1200001002022 has 8 divisors (see below), whose sum is σ = 1815930720216. Its totient is φ = 594690761952.

The previous prime is 1200001001999. The next prime is 1200001002059. The reversal of 1200001002022 is 2202001000021.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2654869248 + ... + 2654869699.

It is an arithmetic number, because the mean of its divisors is an integer number (226991340027).

Almost surely, 2^{1200001002022} is an apocalyptic number.

1200001002022 is a deficient number, since it is larger than the sum of its proper divisors (615929718194).

1200001002022 is a wasteful number, since it uses less digits than its factorization.

1200001002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5309739062.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1200001002022 its reverse (2202001000021), we get a palindrome (3402002002043).

The spelling of 1200001002022 in words is "one trillion, two hundred billion, one million, two thousand, twenty-two".