132230212321021 has 4 divisors (see below), whose sum is σ = 135455339450844. Its totient is φ = 129005085191200.

The previous prime is 132230212321007. The next prime is 132230212321087. The reversal of 132230212321021 is 120123212032231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6915374684100 + 125314837636921 = 2629710^2 + 11194411^2 .

It is a cyclic number.

It is not a de Polignac number, because 132230212321021 - 2³³ = 132221622386429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132230212321121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1612563564850 + ... + 1612563564931.

It is an arithmetic number, because the mean of its divisors is an integer number (33863834862711).

Almost surely, 2^{132230212321021} is an apocalyptic number.

It is an amenable number.

132230212321021 is a deficient number, since it is larger than the sum of its proper divisors (3225127129823).

132230212321021 is an equidigital number, since it uses as much as digits as its factorization.

132230212321021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3225127129822.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 132230212321021 its reverse (120123212032231), we get a palindrome (252353424353252).

The spelling of 132230212321021 in words is "one hundred thirty-two trillion, two hundred thirty billion, two hundred twelve million, three hundred twenty-one thousand, twenty-one".