1201331324122 has 4 divisors (see below), whose sum is σ = 1801996986186. Its totient is φ = 600665662060.

The previous prime is 1201331324119. The next prime is 1201331324159. The reversal of 1201331324122 is 2214231331021.

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

It can be written as a sum of positive squares in only one way, i.e., 623185515241 + 578145808881 = 789421^2 + 760359^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300332831029 + ... + 300332831032.

Almost surely, 2^{1201331324122} is an apocalyptic number.

1201331324122 is a deficient number, since it is larger than the sum of its proper divisors (600665662064).

1201331324122 is an equidigital number, since it uses as much as digits as its factorization.

1201331324122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600665662063.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1201331324122 its reverse (2214231331021), we get a palindrome (3415562655143).

The spelling of 1201331324122 in words is "one trillion, two hundred one billion, three hundred thirty-one million, three hundred twenty-four thousand, one hundred twenty-two".