1201001222132 has 12 divisors (see below), whose sum is σ = 2105031007716. Its totient is φ = 599563791360.

The previous prime is 1201001222131. The next prime is 1201001222149. The reversal of 1201001222132 is 2312221001021.

It can be written as a sum of positive squares in 2 ways, for example, as 865208787556 + 335792434576 = 930166^2 + 579476^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1201001222132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201001222131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234202043 + ... + 234207170.

It is an arithmetic number, because the mean of its divisors is an integer number (175419250643).

Almost surely, 2^{1201001222132} is an apocalyptic number.

It is an amenable number.

1201001222132 is a deficient number, since it is larger than the sum of its proper divisors (904029785584).

1201001222132 is a wasteful number, since it uses less digits than its factorization.

1201001222132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468409858 (or 468409856 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1201001222132 its reverse (2312221001021), we get a palindrome (3513222223153).

The spelling of 1201001222132 in words is "one trillion, two hundred one billion, one million, two hundred twenty-two thousand, one hundred thirty-two".