2001112012212 has 24 divisors (see below), whose sum is σ = 4692963201696. Its totient is φ = 663651360288.

The previous prime is 2001112012201. The next prime is 2001112012213. The reversal of 2001112012212 is 2122102111002.

It is a junction number, because it is equal to n+sod(n) for n = 2001112012191 and 2001112012200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001112012213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423244678 + ... + 423249405.

It is an arithmetic number, because the mean of its divisors is an integer number (195540133404).

Almost surely, 2^{2001112012212} is an apocalyptic number.

It is an amenable number.

2001112012212 is an abundant number, since it is smaller than the sum of its proper divisors (2691851189484).

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

2001112012212 is a wasteful number, since it uses less digits than its factorization.

2001112012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846494287 (or 846494285 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2001112012212 its reverse (2122102111002), we get a palindrome (4123214123214).

The spelling of 2001112012212 in words is "two trillion, one billion, one hundred twelve million, twelve thousand, two hundred twelve".