2001112212430 has 16 divisors (see below), whose sum is σ = 3602018367360. Its totient is φ = 800441243872.

The previous prime is 2001112212427. The next prime is 2001112212521. The reversal of 2001112212430 is 342122111002.

It is a junction number, because it is equal to n+sod(n) for n = 2001112212398 and 2001112212407.

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 7 ways as a sum of consecutive naturals, for example, 3442851 + ... + 3981889.

It is an arithmetic number, because the mean of its divisors is an integer number (225126147960).

Almost surely, 2^{2001112212430} is an apocalyptic number.

2001112212430 is a deficient number, since it is larger than the sum of its proper divisors (1600906154930).

2001112212430 is a wasteful number, since it uses less digits than its factorization.

2001112212430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910283.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2001112212430 its reverse (342122111002), we get a palindrome (2343234323432).

The spelling of 2001112212430 in words is "two trillion, one billion, one hundred twelve million, two hundred twelve thousand, four hundred thirty".