120012020101 has 4 divisors (see below), whose sum is σ = 120271225792. Its totient is φ = 119752814412.

The previous prime is 120012020077. The next prime is 120012020143. The reversal of 120012020101 is 101020210021.

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 120012020101 - 2⁵ = 120012020069 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 (120012020701) 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, 129602151 + ... + 129603076.

It is an arithmetic number, because the mean of its divisors is an integer number (30067806448).

Almost surely, 2^120012020101 is an apocalyptic number.

It is an amenable number.

120012020101 is a deficient number, since it is larger than the sum of its proper divisors (259205691).

120012020101 is an equidigital number, since it uses as much as digits as its factorization.

120012020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259205690.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 120012020101 its reverse (101020210021), we get a palindrome (221032230122).

It can be divided in two parts, 1200120 and 20101, that added together give a palindrome (1220221).

The spelling of 120012020101 in words is "one hundred twenty billion, twelve million, twenty thousand, one hundred one".