120200121122122 has 8 divisors (see below), whose sum is σ = 180413080987716. Its totient is φ = 60062427459552.

The previous prime is 120200121122069. The next prime is 120200121122153. The reversal of 120200121122122 is 221221121002021.

It can be written as a sum of positive squares in 2 ways, for example, as 88002429283521 + 32197691838601 = 9380961^2 + 5674301^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 120200121122122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18816546763 + ... + 18816553150.

Almost surely, 2^{120200121122122} is an apocalyptic number.

120200121122122 is a deficient number, since it is larger than the sum of its proper divisors (60212959865594).

120200121122122 is a wasteful number, since it uses less digits than its factorization.

120200121122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37633101512.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 120200121122122 its reverse (221221121002021), we get a palindrome (341421242124143).

The spelling of 120200121122122 in words is "one hundred twenty trillion, two hundred billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred twenty-two".