2120120143242 has 32 divisors (see below), whose sum is σ = 4332316713984. Its totient is φ = 691481956800.

The previous prime is 2120120143223. The next prime is 2120120143279. The reversal of 2120120143242 is 2423410210212.

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 15 ways as a sum of consecutive naturals, for example, 15094173 + ... + 15233984.

It is an arithmetic number, because the mean of its divisors is an integer number (135384897312).

Almost surely, 2^{2120120143242} is an apocalyptic number.

2120120143242 is an abundant number, since it is smaller than the sum of its proper divisors (2212196570742).

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

2120120143242 is a wasteful number, since it uses less digits than its factorization.

2120120143242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30328414.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 2120120143242 its reverse (2423410210212), we get a palindrome (4543530353454).

The spelling of 2120120143242 in words is "two trillion, one hundred twenty billion, one hundred twenty million, one hundred forty-three thousand, two hundred forty-two".