2001212010 has 96 divisors (see below), whose sum is σ = 5956359552. Its totient is φ = 456658560.

The previous prime is 2001211981. The next prime is 2001212021. The reversal of 2001212010 is 102121002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2001211983 and 2001212001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 433032 + ... + 437628.

It is an arithmetic number, because the mean of its divisors is an integer number (62045412).

Almost surely, 2^2001212010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2001212010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2978179776).

2001212010 is an abundant number, since it is smaller than the sum of its proper divisors (3955147542).

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

2001212010 is a wasteful number, since it uses less digits than its factorization.

2001212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5308 (or 5305 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2001212010 is about 44734.9081814191. The cubic root of 2001212010 is about 1260.1755046535.

Adding to 2001212010 its reverse (102121002), we get a palindrome (2103333012).

The spelling of 2001212010 in words is "two billion, one million, two hundred twelve thousand, ten".