2001767012 has 18 divisors (see below), whose sum is σ = 4075026102. Its totient is φ = 857900064.

The previous prime is 2001766969. The next prime is 2001767041. The reversal of 2001767012 is 2107671002.

It can be written as a sum of positive squares in only one way, i.e., 1604322916 + 397444096 = 40054^2 + 19936^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5106353 + ... + 5106744.

It is an arithmetic number, because the mean of its divisors is an integer number (226390339).

Almost surely, 2^2001767012 is an apocalyptic number.

It is an amenable number.

2001767012 is an abundant number, since it is smaller than the sum of its proper divisors (2073259090).

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

2001767012 is a wasteful number, since it uses less digits than its factorization.

2001767012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10213115 (or 10213106 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 2001767012 is about 44741.1109830769. The cubic root of 2001767012 is about 1260.2919899428.

The spelling of 2001767012 in words is "two billion, one million, seven hundred sixty-seven thousand, twelve".