132121132020 has 96 divisors (see below), whose sum is σ = 415113431040. Its totient is φ = 34883452800.

The previous prime is 132121132009. The next prime is 132121132021. The reversal of 132121132020 is 20231121231.

132121132020 is a `hidden beast` number, since 1 + 321 + 2 + 1 + 1 + 320 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 132121131984 and 132121132002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132121132021) 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, 1156692 + ... + 1265771.

It is an arithmetic number, because the mean of its divisors is an integer number (4324098240).

Almost surely, 2^132121132020 is an apocalyptic number.

132121132020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

132121132020 is an abundant number, since it is smaller than the sum of its proper divisors (282992299020).

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

132121132020 is a wasteful number, since it uses less digits than its factorization.

132121132020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422582 (or 2422574 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 132121132020 its reverse (20231121231), we get a palindrome (152352253251).

The spelling of 132121132020 in words is "one hundred thirty-two billion, one hundred twenty-one million, one hundred thirty-two thousand, twenty".