2013021012 has 24 divisors (see below), whose sum is σ = 4702553856. Its totient is φ = 670220608.

The previous prime is 2013021011. The next prime is 2013021061. The reversal of 2013021012 is 2101203102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013021011) 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, 87588 + ... + 108155.

It is an arithmetic number, because the mean of its divisors is an integer number (195939744).

Almost surely, 2^2013021012 is an apocalyptic number.

It is an amenable number.

2013021012 is an abundant number, since it is smaller than the sum of its proper divisors (2689532844).

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

2013021012 is a wasteful number, since it uses less digits than its factorization.

2013021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196607 (or 196605 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2013021012 is about 44866.7027092475. The cubic root of 2013021012 is about 1262.6493786847.

Adding to 2013021012 its reverse (2101203102), we get a palindrome (4114224114).

The spelling of 2013021012 in words is "two billion, thirteen million, twenty-one thousand, twelve".