21141300212 has 12 divisors (see below), whose sum is σ = 37603788516. Its totient is φ = 10397360640.

The previous prime is 21141300143. The next prime is 21141300227. The reversal of 21141300212 is 21200314112.

It can be written as a sum of positive squares in 2 ways, for example, as 5464757776 + 15676542436 = 73924^2 + 125206^2 .

It is a super-2 number, since 2×21141300212² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43322093 + ... + 43322580.

It is an arithmetic number, because the mean of its divisors is an integer number (3133649043).

Almost surely, 2^21141300212 is an apocalyptic number.

It is an amenable number.

21141300212 is a deficient number, since it is larger than the sum of its proper divisors (16462488304).

21141300212 is a wasteful number, since it uses less digits than its factorization.

21141300212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86644738 (or 86644736 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21141300212 its reverse (21200314112), we get a palindrome (42341614324).

The spelling of 21141300212 in words is "twenty-one billion, one hundred forty-one million, three hundred thousand, two hundred twelve".