2051241012 has 72 divisors (see below), whose sum is σ = 5497409736. Its totient is φ = 642668544.

The previous prime is 2051241011. The next prime is 2051241019. The reversal of 2051241012 is 2101421502.

It can be written as a sum of positive squares in 4 ways, for example, as 1034651556 + 1016589456 = 32166^2 + 31884^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051241011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 581478 + ... + 584994.

It is an arithmetic number, because the mean of its divisors is an integer number (76352913).

Almost surely, 2^2051241012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2051241012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2748704868).

2051241012 is an abundant number, since it is smaller than the sum of its proper divisors (3446168724).

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

2051241012 is a wasteful number, since it uses less digits than its factorization.

2051241012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4497 (or 4492 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2051241012 is about 45290.6283021112. The cubic root of 2051241012 is about 1270.5903825021.

Adding to 2051241012 its reverse (2101421502), we get a palindrome (4152662514).

The spelling of 2051241012 in words is "two billion, fifty-one million, two hundred forty-one thousand, twelve".