1200113222132 has 18 divisors (see below), whose sum is σ = 2308482252594. Its totient is φ = 545506009840.

The previous prime is 1200113222117. The next prime is 1200113222137. The reversal of 1200113222132 is 2312223110021.

It can be written as a sum of positive squares in only one way, i.e., 1154601826576 + 45511395556 = 1074524^2 + 213334^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200113222137) 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 5 ways as a sum of consecutive naturals, for example, 1239785903 + ... + 1239786870.

It is an arithmetic number, because the mean of its divisors is an integer number (128249014033).

Almost surely, 2^{1200113222132} is an apocalyptic number.

It is an amenable number.

1200113222132 is a deficient number, since it is larger than the sum of its proper divisors (1108369030462).

1200113222132 is a wasteful number, since it uses less digits than its factorization.

1200113222132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479572799 (or 2479572786 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1200113222132 its reverse (2312223110021), we get a palindrome (3512336332153).

The spelling of 1200113222132 in words is "one trillion, two hundred billion, one hundred thirteen million, two hundred twenty-two thousand, one hundred thirty-two".