1211120321132 has 12 divisors (see below), whose sum is σ = 2149312119696. Its totient is φ = 597031144080.

The previous prime is 1211120321119. The next prime is 1211120321149. The reversal of 1211120321132 is 2311230211121.

It is a super-2 number, since 2×1211120321132² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2132253803 + ... + 2132254370.

It is an arithmetic number, because the mean of its divisors is an integer number (179109343308).

Almost surely, 2^{1211120321132} is an apocalyptic number.

It is an amenable number.

1211120321132 is a deficient number, since it is larger than the sum of its proper divisors (938191798564).

1211120321132 is a wasteful number, since it uses less digits than its factorization.

1211120321132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4264508248 (or 4264508246 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1211120321132 its reverse (2311230211121), we get a palindrome (3522350532253).

The spelling of 1211120321132 in words is "one trillion, two hundred eleven billion, one hundred twenty million, three hundred twenty-one thousand, one hundred thirty-two".