2122430203142 has 4 divisors (see below), whose sum is σ = 3183645304716. Its totient is φ = 1061215101570.

The previous prime is 2122430203129. The next prime is 2122430203147. The reversal of 2122430203142 is 2413020342212.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122430203147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530607550784 + ... + 530607550787.

It is an arithmetic number, because the mean of its divisors is an integer number (795911326179).

Almost surely, 2^{2122430203142} is an apocalyptic number.

2122430203142 is a deficient number, since it is larger than the sum of its proper divisors (1061215101574).

2122430203142 is a wasteful number, since it uses less digits than its factorization.

2122430203142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061215101573.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 2122430203142 its reverse (2413020342212), we get a palindrome (4535450545354).

The spelling of 2122430203142 in words is "two trillion, one hundred twenty-two billion, four hundred thirty million, two hundred three thousand, one hundred forty-two".