1132121312020 has 96 divisors (see below), whose sum is σ = 2527859093760. Its totient is φ = 425021076480.

The previous prime is 1132121311991. The next prime is 1132121312029. The reversal of 1132121312020 is 202131212311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132121312029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5257594 + ... + 5468686.

It is an arithmetic number, because the mean of its divisors is an integer number (26331865560).

Almost surely, 2^{1132121312020} is an apocalyptic number.

1132121312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1132121312020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263929546880).

1132121312020 is an abundant number, since it is smaller than the sum of its proper divisors (1395737781740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1132121312020 is a wasteful number, since it uses less digits than its factorization.

1132121312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211345 (or 211343 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1132121312020 its reverse (202131212311), we get a palindrome (1334252524331).

The spelling of 1132121312020 in words is "one trillion, one hundred thirty-two billion, one hundred twenty-one million, three hundred twelve thousand, twenty".