2132421321342 has 32 divisors (see below), whose sum is σ = 4602957664032. Its totient is φ = 654693894144.

The previous prime is 2132421321341. The next prime is 2132421321361. The reversal of 2132421321342 is 2431231242312.

It is a happy number.

It is a super-2 number, since 2×2132421321342² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132421321341) 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, 29875443 + ... + 29946734.

It is an arithmetic number, because the mean of its divisors is an integer number (143842427001).

Almost surely, 2^{2132421321342} is an apocalyptic number.

2132421321342 is an abundant number, since it is smaller than the sum of its proper divisors (2470536342690).

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

2132421321342 is a wasteful number, since it uses less digits than its factorization.

2132421321342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59822652.

The product of its digits is 13824, while the sum is 30.

Adding to 2132421321342 its reverse (2431231242312), we get a palindrome (4563652563654).

The spelling of 2132421321342 in words is "two trillion, one hundred thirty-two billion, four hundred twenty-one million, three hundred twenty-one thousand, three hundred forty-two".