21214024163012 has 6 divisors (see below), whose sum is σ = 37124542285278. Its totient is φ = 10607012081504.

The previous prime is 21214024163011. The next prime is 21214024163021. The reversal of 21214024163012 is 21036142041212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16092565494916 + 5121458668096 = 4011554^2 + 2263064^2 .

It is not an unprimeable number, because it can be changed into a prime (21214024163011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2651753020373 + ... + 2651753020380.

It is an arithmetic number, because the mean of its divisors is an integer number (6187423714213).

Almost surely, 2^{21214024163012} is an apocalyptic number.

It is an amenable number.

21214024163012 is a deficient number, since it is larger than the sum of its proper divisors (15910518122266).

21214024163012 is a wasteful number, since it uses less digits than its factorization.

21214024163012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5303506040757 (or 5303506040755 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 21214024163012 in words is "twenty-one trillion, two hundred fourteen billion, twenty-four million, one hundred sixty-three thousand, twelve".