2105012050442 has 32 divisors (see below), whose sum is σ = 3799424196480. Its totient is φ = 854462649600.

The previous prime is 2105012050433. The next prime is 2105012050451. The reversal of 2105012050442 is 2440502105012.

It is an interprime number because it is at equal distance from previous prime (2105012050433) and next prime (2105012050451).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175598 + ... + 2059334.

It is an arithmetic number, because the mean of its divisors is an integer number (118732006140).

Almost surely, 2^{2105012050442} is an apocalyptic number.

2105012050442 is a deficient number, since it is larger than the sum of its proper divisors (1694412146038).

2105012050442 is a wasteful number, since it uses less digits than its factorization.

2105012050442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887966.

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 2105012050442 its reverse (2440502105012), we get a palindrome (4545514155454).

The spelling of 2105012050442 in words is "two trillion, one hundred five billion, twelve million, fifty thousand, four hundred forty-two".