2112020120342 has 48 divisors (see below), whose sum is σ = 3700946970000. Its totient is φ = 895872595200.

The previous prime is 2112020120323. The next prime is 2112020120351. The reversal of 2112020120342 is 2430210202112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1735967 + ... + 2690282.

It is an arithmetic number, because the mean of its divisors is an integer number (77103061875).

Almost surely, 2^{2112020120342} is an apocalyptic number.

2112020120342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2112020120342 is a deficient number, since it is larger than the sum of its proper divisors (1588926849658).

2112020120342 is a wasteful number, since it uses less digits than its factorization.

2112020120342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4426349 (or 4426326 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2112020120342 its reverse (2430210202112), we get a palindrome (4542230322454).

The spelling of 2112020120342 in words is "two trillion, one hundred twelve billion, twenty million, one hundred twenty thousand, three hundred forty-two".