2120213242042 has 16 divisors (see below), whose sum is σ = 3661181576640. Its totient is φ = 902030241888.

The previous prime is 2120213242031. The next prime is 2120213242073. The reversal of 2120213242042 is 2402423120212.

It is a junction number, because it is equal to n+sod(n) for n = 2120213241998 and 2120213242016.

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, 552712692 + ... + 552716527.

It is an arithmetic number, because the mean of its divisors is an integer number (228823848540).

Almost surely, 2^{2120213242042} is an apocalyptic number.

2120213242042 is a deficient number, since it is larger than the sum of its proper divisors (1540968334598).

2120213242042 is a wasteful number, since it uses less digits than its factorization.

2120213242042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105429365.

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

Adding to 2120213242042 its reverse (2402423120212), we get a palindrome (4522636362254).

The spelling of 2120213242042 in words is "two trillion, one hundred twenty billion, two hundred thirteen million, two hundred forty-two thousand, forty-two".