132002120021 has 4 divisors (see below), whose sum is σ = 132144211500. Its totient is φ = 131860028544.

The previous prime is 132002120017. The next prime is 132002120027. The reversal of 132002120021 is 120021200231.

It is a happy number.

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 52950612100 + 79051507921 = 230110^2 + 281161^2 .

It is a cyclic number.

It is not a de Polignac number, because 132002120021 - 2² = 132002120017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 132002119978 and 132002120005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132002120027) 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, 71044346 + ... + 71046203.

It is an arithmetic number, because the mean of its divisors is an integer number (33036052875).

Almost surely, 2^132002120021 is an apocalyptic number.

It is an amenable number.

132002120021 is a deficient number, since it is larger than the sum of its proper divisors (142091479).

132002120021 is an equidigital number, since it uses as much as digits as its factorization.

132002120021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142091478.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 132002120021 its reverse (120021200231), we get a palindrome (252023320252).

The spelling of 132002120021 in words is "one hundred thirty-two billion, two million, one hundred twenty thousand, twenty-one".