2012203516251 has 8 divisors (see below), whose sum is σ = 2700705823744. Its totient is φ = 1332585109800.

The previous prime is 2012203516241. The next prime is 2012203516283. The reversal of 2012203516251 is 1526153022102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2012203516251 - 2¹⁵ = 2012203483483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012203516241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2220974731 + ... + 2220975636.

It is an arithmetic number, because the mean of its divisors is an integer number (337588227968).

Almost surely, 2^{2012203516251} is an apocalyptic number.

2012203516251 is a deficient number, since it is larger than the sum of its proper divisors (688502307493).

2012203516251 is a wasteful number, since it uses less digits than its factorization.

2012203516251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441950521.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 2012203516251 its reverse (1526153022102), we get a palindrome (3538356538353).

The spelling of 2012203516251 in words is "two trillion, twelve billion, two hundred three million, five hundred sixteen thousand, two hundred fifty-one".