120020212001 has 4 divisors (see below), whose sum is σ = 125238482112. Its totient is φ = 114801941892.

The previous prime is 120020211977. The next prime is 120020212009. The reversal of 120020212001 is 100212020021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120020212001 - 2⁶ = 120020211937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120020212009) 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, 2609135021 + ... + 2609135066.

It is an arithmetic number, because the mean of its divisors is an integer number (31309620528).

Almost surely, 2^120020212001 is an apocalyptic number.

It is an amenable number.

120020212001 is a deficient number, since it is larger than the sum of its proper divisors (5218270111).

120020212001 is an equidigital number, since it uses as much as digits as its factorization.

120020212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5218270110.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120020212001 its reverse (100212020021), we get a palindrome (220232232022).

The spelling of 120020212001 in words is "one hundred twenty billion, twenty million, two hundred twelve thousand, one".