2132243422420 has 12 divisors (see below), whose sum is σ = 4477711187124. Its totient is φ = 852897368960.

The previous prime is 2132243422409. The next prime is 2132243422469. The reversal of 2132243422420 is 242243422312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1171494510736 + 960748911684 = 1082356^2 + 980178^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53306085541 + ... + 53306085580.

It is an arithmetic number, because the mean of its divisors is an integer number (373142598927).

Almost surely, 2^{2132243422420} is an apocalyptic number.

2132243422420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2132243422420 is an abundant number, since it is smaller than the sum of its proper divisors (2345467764704).

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

2132243422420 is a wasteful number, since it uses less digits than its factorization.

2132243422420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106612171130 (or 106612171128 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 2132243422420 its reverse (242243422312), we get a palindrome (2374486844732).

The spelling of 2132243422420 in words is "two trillion, one hundred thirty-two billion, two hundred forty-three million, four hundred twenty-two thousand, four hundred twenty".