2123133144242 has 32 divisors (see below), whose sum is σ = 3499524302400. Its totient is φ = 958055330880.

The previous prime is 2123133144221. The next prime is 2123133144271. The reversal of 2123133144242 is 2424413313212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2123133144199 and 2123133144208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1133828 + ... + 2351984.

It is an arithmetic number, because the mean of its divisors is an integer number (109360134450).

Almost surely, 2^{2123133144242} is an apocalyptic number.

2123133144242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2123133144242 is a deficient number, since it is larger than the sum of its proper divisors (1376391158158).

2123133144242 is a wasteful number, since it uses less digits than its factorization.

2123133144242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218746.

The product of its digits is 27648, while the sum is 32.

Adding to 2123133144242 its reverse (2424413313212), we get a palindrome (4547546457454).

The spelling of 2123133144242 in words is "two trillion, one hundred twenty-three billion, one hundred thirty-three million, one hundred forty-four thousand, two hundred forty-two".