1000132020001 has 4 divisors (see below), whose sum is σ = 1000220374404. Its totient is φ = 1000043665600.

The previous prime is 1000132019993. The next prime is 1000132020029. The reversal of 1000132020001 is 1000202310001.

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 144597667600 + 855534352401 = 380260^2 + 924951^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000132020001 - 2³ = 1000132019993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1000132020001.

It is not an unprimeable number, because it can be changed into a prime (1000132020091) 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, 44160220 + ... + 44182861.

It is an arithmetic number, because the mean of its divisors is an integer number (250055093601).

Almost surely, 2^{1000132020001} is an apocalyptic number.

It is an amenable number.

1000132020001 is a deficient number, since it is larger than the sum of its proper divisors (88354403).

1000132020001 is an equidigital number, since it uses as much as digits as its factorization.

1000132020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88354402.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 1000132020001 its reverse (1000202310001), we get a palindrome (2000334330002).

The spelling of 1000132020001 in words is "one trillion, one hundred thirty-two million, twenty thousand, one".