21220119495712 has 24 divisors (see below), whose sum is σ = 41777345716092. Its totient is φ = 10609999948800.

The previous prime is 21220119495667. The next prime is 21220119495713. The reversal of 21220119495712 is 21759491102212.

It can be written as a sum of positive squares in 2 ways, for example, as 20654079944976 + 566039550736 = 4544676^2 + 752356^2 .

It is not an unprimeable number, because it can be changed into a prime (21220119495713) by changing a digit.

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, 4201012 + ... + 7751692.

Almost surely, 2^{21220119495712} is an apocalyptic number.

It is an amenable number.

21220119495712 is a deficient number, since it is larger than the sum of its proper divisors (20557226220380).

21220119495712 is a wasteful number, since it uses less digits than its factorization.

21220119495712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3737452 (or 3737444 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 21220119495712 in words is "twenty-one trillion, two hundred twenty billion, one hundred nineteen million, four hundred ninety-five thousand, seven hundred twelve".