2142400134220 has 12 divisors (see below), whose sum is σ = 4499040281904. Its totient is φ = 856960053680.

The previous prime is 2142400134197. The next prime is 2142400134241. The reversal of 2142400134220 is 224310042412.

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, 53560003336 + ... + 53560003375.

It is an arithmetic number, because the mean of its divisors is an integer number (374920023492).

Almost surely, 2^{2142400134220} is an apocalyptic number.

2142400134220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142400134220 is an abundant number, since it is smaller than the sum of its proper divisors (2356640147684).

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

2142400134220 is a wasteful number, since it uses less digits than its factorization.

2142400134220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107120006720 (or 107120006718 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 2142400134220 its reverse (224310042412), we get a palindrome (2366710176632).

The spelling of 2142400134220 in words is "two trillion, one hundred forty-two billion, four hundred million, one hundred thirty-four thousand, two hundred twenty".