2012454251851 has 2 divisors, whose sum is σ = 2012454251852. Its totient is φ = 2012454251850.

The previous prime is 2012454251809. The next prime is 2012454251881. The reversal of 2012454251851 is 1581524542102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2012454251851 - 2¹⁹ = 2012453727563 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012454251881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006227125925 + 1006227125926.

It is an arithmetic number, because the mean of its divisors is an integer number (1006227125926).

Almost surely, 2^{2012454251851} is an apocalyptic number.

2012454251851 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012454251851 is an equidigital number, since it uses as much as digits as its factorization.

2012454251851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128000, while the sum is 40.

Adding to 2012454251851 its reverse (1581524542102), we get a palindrome (3593978793953).

The spelling of 2012454251851 in words is "two trillion, twelve billion, four hundred fifty-four million, two hundred fifty-one thousand, eight hundred fifty-one".