2130121442344 has 32 divisors (see below), whose sum is σ = 4583486001600. Its totient is φ = 909121178880.

The previous prime is 2130121442299. The next prime is 2130121442353. The reversal of 2130121442344 is 4432441210312.

It is a happy 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, 78903274 + ... + 78930265.

It is an arithmetic number, because the mean of its divisors is an integer number (143233937550).

Almost surely, 2^{2130121442344} is an apocalyptic number.

It is an amenable number.

2130121442344 is an abundant number, since it is smaller than the sum of its proper divisors (2453364559256).

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

2130121442344 is a wasteful number, since it uses less digits than its factorization.

2130121442344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157833793 (or 157833789 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 2130121442344 its reverse (4432441210312), we get a palindrome (6562562652656).

The spelling of 2130121442344 in words is "two trillion, one hundred thirty billion, one hundred twenty-one million, four hundred forty-two thousand, three hundred forty-four".