1200221224342 has 16 divisors (see below), whose sum is σ = 2060004051360. Its totient is φ = 513760036608.

The previous prime is 1200221224331. The next prime is 1200221224343. The reversal of 1200221224342 is 2434221220021.

It is a super-2 number, since 2×1200221224342² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200221224343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51695323 + ... + 51718534.

It is an arithmetic number, because the mean of its divisors is an integer number (128750253210).

Almost surely, 2^{1200221224342} is an apocalyptic number.

1200221224342 is a deficient number, since it is larger than the sum of its proper divisors (859782827018).

1200221224342 is a wasteful number, since it uses less digits than its factorization.

1200221224342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103414695.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1200221224342 its reverse (2434221220021), we get a palindrome (3634442444363).

The spelling of 1200221224342 in words is "one trillion, two hundred billion, two hundred twenty-one million, two hundred twenty-four thousand, three hundred forty-two".