2001015212 has 24 divisors (see below), whose sum is σ = 4077543456. Its totient is φ = 841396608.

The previous prime is 2001015197. The next prime is 2001015257. The reversal of 2001015212 is 2125101002.

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 672713 + ... + 675680.

It is an arithmetic number, because the mean of its divisors is an integer number (169897644).

Almost surely, 2^2001015212 is an apocalyptic number.

It is an amenable number.

2001015212 is an abundant number, since it is smaller than the sum of its proper divisors (2076528244).

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

2001015212 is a wasteful number, since it uses less digits than its factorization.

2001015212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348457 (or 1348455 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 2001015212 is about 44732.7085251944. The cubic root of 2001015212 is about 1260.1341949958.

Adding to 2001015212 its reverse (2125101002), we get a palindrome (4126116214).

The spelling of 2001015212 in words is "two billion, one million, fifteen thousand, two hundred twelve".