1201320120322 has 16 divisors (see below), whose sum is σ = 2064184134912. Its totient is φ = 513656926560.

The previous prime is 1201320120277. The next prime is 1201320120323. The reversal of 1201320120322 is 2230210231021.

It is a self number, because there is not a number n which added to its sum of digits gives 1201320120322.

It is not an unprimeable number, because it can be changed into a prime (1201320120323) 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, 99539883 + ... + 99551950.

It is an arithmetic number, because the mean of its divisors is an integer number (129011508432).

Almost surely, 2^{1201320120322} is an apocalyptic number.

1201320120322 is a deficient number, since it is larger than the sum of its proper divisors (862864014590).

1201320120322 is a wasteful number, since it uses less digits than its factorization.

1201320120322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199092273.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1201320120322 its reverse (2230210231021), we get a palindrome (3431530351343).

The spelling of 1201320120322 in words is "one trillion, two hundred one billion, three hundred twenty million, one hundred twenty thousand, three hundred twenty-two".