2120430340212 has 24 divisors (see below), whose sum is σ = 4971119476512. Its totient is φ = 703460301600.

The previous prime is 2120430340163. The next prime is 2120430340219.

It is a happy number.

2120430340212 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120430340219) 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, 418723839 + ... + 418728902.

It is an arithmetic number, because the mean of its divisors is an integer number (207129978188).

Almost surely, 2^{2120430340212} is an apocalyptic number.

It is an amenable number.

2120430340212 is an abundant number, since it is smaller than the sum of its proper divisors (2850689136300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2120430340212 is a wasteful number, since it uses less digits than its factorization.

2120430340212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837452959 (or 837452957 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

It can be divided in two parts, 2120430 and 340212, that added together give a palindrome (2460642).

The spelling of 2120430340212 in words is "two trillion, one hundred twenty billion, four hundred thirty million, three hundred forty thousand, two hundred twelve".