2120412242442 has 16 divisors (see below), whose sum is σ = 4567041753120. Its totient is φ = 652434536112.

The previous prime is 2120412242423. The next prime is 2120412242483. The reversal of 2120412242442 is 2442422140212.

It is a super-2 number, since 2×2120412242442² (a number of 25 digits) contains 22 as substring.

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, 13592386092 + ... + 13592386247.

It is an arithmetic number, because the mean of its divisors is an integer number (285440109570).

Almost surely, 2^{2120412242442} is an apocalyptic number.

2120412242442 is an abundant number, since it is smaller than the sum of its proper divisors (2446629510678).

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

2120412242442 is a wasteful number, since it uses less digits than its factorization.

2120412242442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27184772357.

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 2120412242442 its reverse (2442422140212), we get a palindrome (4562834382654).

The spelling of 2120412242442 in words is "two trillion, one hundred twenty billion, four hundred twelve million, two hundred forty-two thousand, four hundred forty-two".