2120324421404 has 24 divisors (see below), whose sum is σ = 4240947835488. Its totient is φ = 908646396480.

The previous prime is 2120324421379. The next prime is 2120324421419. The reversal of 2120324421404 is 4041244230212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2264279 + ... + 3060654.

It is an arithmetic number, because the mean of its divisors is an integer number (176706159812).

Almost surely, 2^{2120324421404} is an apocalyptic number.

It is an amenable number.

2120324421404 is an abundant number, since it is smaller than the sum of its proper divisors (2120623414084).

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

2120324421404 is a wasteful number, since it uses less digits than its factorization.

2120324421404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5339165 (or 5339163 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 2120324421404 its reverse (4041244230212), we get a palindrome (6161568651616).

The spelling of 2120324421404 in words is "two trillion, one hundred twenty billion, three hundred twenty-four million, four hundred twenty-one thousand, four hundred four".