1200320004122 has 8 divisors (see below), whose sum is σ = 1906390594836. Its totient is φ = 564856472512.

The previous prime is 1200320004031. The next prime is 1200320004131. The reversal of 1200320004122 is 2214000230021.

It can be written as a sum of positive squares in 2 ways, for example, as 1007371535041 + 192948469081 = 1003679^2 + 439259^2 .

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

It is a super-2 number, since 2×1200320004122² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1200320004122.

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, 17651764733 + ... + 17651764800.

Almost surely, 2^{1200320004122} is an apocalyptic number.

1200320004122 is a deficient number, since it is larger than the sum of its proper divisors (706070590714).

1200320004122 is a wasteful number, since it uses less digits than its factorization.

1200320004122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35303529552.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1200320004122 its reverse (2214000230021), we get a palindrome (3414320234143).

The spelling of 1200320004122 in words is "one trillion, two hundred billion, three hundred twenty million, four thousand, one hundred twenty-two".