120001300021 has 8 divisors (see below), whose sum is σ = 125242070400. Its totient is φ = 114762473232.

The previous prime is 120001299997. The next prime is 120001300037. The reversal of 120001300021 is 120003100021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120001300021 - 2⁵ = 120001299989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120001299980 and 120001300007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001300061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359010 + ... + 607363.

It is an arithmetic number, because the mean of its divisors is an integer number (15655258800).

Almost surely, 2^120001300021 is an apocalyptic number.

It is an amenable number.

120001300021 is a deficient number, since it is larger than the sum of its proper divisors (5240770379).

120001300021 is an equidigital number, since it uses as much as digits as its factorization.

120001300021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971795.

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

Adding to 120001300021 its reverse (120003100021), we get a palindrome (240004400042).

The spelling of 120001300021 in words is "one hundred twenty billion, one million, three hundred thousand, twenty-one".