212420120241 has 16 divisors (see below), whose sum is σ = 329795121024. Its totient is φ = 119092681344.

The previous prime is 212420120219. The next prime is 212420120273. The reversal of 212420120241 is 142021024212.

It is not a de Polignac number, because 212420120241 - 2¹¹ = 212420118193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (212420120201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95425716 + ... + 95427941.

It is an arithmetic number, because the mean of its divisors is an integer number (20612195064).

Almost surely, 2^212420120241 is an apocalyptic number.

212420120241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

212420120241 is a deficient number, since it is larger than the sum of its proper divisors (117375000783).

212420120241 is a wasteful number, since it uses less digits than its factorization.

212420120241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190853720.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 212420120241 its reverse (142021024212), we get a palindrome (354441144453).

The spelling of 212420120241 in words is "two hundred twelve billion, four hundred twenty million, one hundred twenty thousand, two hundred forty-one".