2051764211012 has 24 divisors (see below), whose sum is σ = 3600975014616. Its totient is φ = 1022914556928.

The previous prime is 2051764210997. The next prime is 2051764211023. The reversal of 2051764211012 is 2101124671502.

It can be written as a sum of positive squares in 4 ways, for example, as 91853056 + 2051672357956 = 9584^2 + 1432366^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2051764211012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31671278 + ... + 31735994.

It is an arithmetic number, because the mean of its divisors is an integer number (150040625609).

Almost surely, 2^{2051764211012} is an apocalyptic number.

It is an amenable number.

2051764211012 is a deficient number, since it is larger than the sum of its proper divisors (1549210803604).

2051764211012 is a wasteful number, since it uses less digits than its factorization.

2051764211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87527 (or 87525 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

Adding to 2051764211012 its reverse (2101124671502), we get a palindrome (4152888882514).

The spelling of 2051764211012 in words is "two trillion, fifty-one billion, seven hundred sixty-four million, two hundred eleven thousand, twelve".