2012324135421 has 4 divisors (see below), whose sum is σ = 2683098847232. Its totient is φ = 1341549423612.

The previous prime is 2012324135387. The next prime is 2012324135429. The reversal of 2012324135421 is 1245314232102.

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 not a de Polignac number, because 2012324135421 - 2⁷ = 2012324135293 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 (2012324135429) 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, 335387355901 + ... + 335387355906.

It is an arithmetic number, because the mean of its divisors is an integer number (670774711808).

Almost surely, 2^{2012324135421} is an apocalyptic number.

It is an amenable number.

2012324135421 is a deficient number, since it is larger than the sum of its proper divisors (670774711811).

2012324135421 is an equidigital number, since it uses as much as digits as its factorization.

2012324135421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670774711810.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 2012324135421 its reverse (1245314232102), we get a palindrome (3257638367523).

The spelling of 2012324135421 in words is "two trillion, twelve billion, three hundred twenty-four million, one hundred thirty-five thousand, four hundred twenty-one".