21300001201210 has 16 divisors (see below), whose sum is σ = 40595296407336. Its totient is φ = 8018823981568.

The previous prime is 21300001201207. The next prime is 21300001201231. The reversal of 21300001201210 is 1210210000312.

It can be written as a sum of positive squares in 4 ways, for example, as 21182702486089 + 117298715121 = 4602467^2 + 342489^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62647062187 + ... + 62647062526.

Almost surely, 2^{21300001201210} is an apocalyptic number.

21300001201210 is a deficient number, since it is larger than the sum of its proper divisors (19295295206126).

21300001201210 is a wasteful number, since it uses less digits than its factorization.

21300001201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125294124737.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 21300001201210 its reverse (1210210000312), we get a palindrome (22510211201522).

The spelling of 21300001201210 in words is "twenty-one trillion, three hundred billion, one million, two hundred one thousand, two hundred ten".