2012021310 has 64 divisors (see below), whose sum is σ = 5223439872. Its totient is φ = 493063296.

The previous prime is 2012021287. The next prime is 2012021311. The reversal of 2012021310 is 131202102.

It is a super-2 number, since 2×2012021310² = 8096459503788232200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012021311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77167 + ... + 99893.

It is an arithmetic number, because the mean of its divisors is an integer number (81616248).

Almost surely, 2^2012021310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2012021310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2611719936).

2012021310 is an abundant number, since it is smaller than the sum of its proper divisors (3211418562).

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

2012021310 is a wasteful number, since it uses less digits than its factorization.

2012021310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22977.

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

The square root of 2012021310 is about 44855.5605248669. The cubic root of 2012021310 is about 1262.4403260361.

Adding to 2012021310 its reverse (131202102), we get a palindrome (2143223412).

The spelling of 2012021310 in words is "two billion, twelve million, twenty-one thousand, three hundred ten".