2120121134344 has 32 divisors (see below), whose sum is σ = 3980428908120. Its totient is φ = 1058673770496.

The previous prime is 2120121134311. The next prime is 2120121134371. The reversal of 2120121134344 is 4434311210212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2120046657444 + 74476900 = 1456038^2 + 8630^2 .

It is a super-3 number, since 3×2120121134344³ (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64627354 + ... + 64660150.

Almost surely, 2^{2120121134344} is an apocalyptic number.

It is an amenable number.

2120121134344 is a deficient number, since it is larger than the sum of its proper divisors (1860307773776).

2120121134344 is a wasteful number, since it uses less digits than its factorization.

2120121134344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43129 (or 43125 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 2120121134344 its reverse (4434311210212), we get a palindrome (6554432344556).

The spelling of 2120121134344 in words is "two trillion, one hundred twenty billion, one hundred twenty-one million, one hundred thirty-four thousand, three hundred forty-four".