1200012120322 has 16 divisors (see below), whose sum is σ = 1896876677952. Its totient is φ = 568236473200.

The previous prime is 1200012120317. The next prime is 1200012120361. The reversal of 1200012120322 is 2230212100021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1200012120296 and 1200012120305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129140008 + ... + 129149299.

It is an arithmetic number, because the mean of its divisors is an integer number (118554792372).

Almost surely, 2^{1200012120322} is an apocalyptic number.

1200012120322 is a deficient number, since it is larger than the sum of its proper divisors (696864557630).

1200012120322 is a wasteful number, since it uses less digits than its factorization.

1200012120322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258289433.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1200012120322 its reverse (2230212100021), we get a palindrome (3430224220343).

The spelling of 1200012120322 in words is "one trillion, two hundred billion, twelve million, one hundred twenty thousand, three hundred twenty-two".