1200222184123 has 4 divisors (see below), whose sum is σ = 1200652528320. Its totient is φ = 1199791839928.

The previous prime is 1200222184079. The next prime is 1200222184127. The reversal of 1200222184123 is 3214812220021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1200222184123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1200222184091 and 1200222184100.

It is not an unprimeable number, because it can be changed into a prime (1200222184127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215167915 + ... + 215173492.

It is an arithmetic number, because the mean of its divisors is an integer number (300163132080).

Almost surely, 2^{1200222184123} is an apocalyptic number.

1200222184123 is a deficient number, since it is larger than the sum of its proper divisors (430344197).

1200222184123 is an equidigital number, since it uses as much as digits as its factorization.

1200222184123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430344196.

The product of its (nonzero) digits is 3072, while the sum is 28.

The spelling of 1200222184123 in words is "one trillion, two hundred billion, two hundred twenty-two million, one hundred eighty-four thousand, one hundred twenty-three".