21001300130212 has 48 divisors (see below), whose sum is σ = 37471329181440. Its totient is φ = 10296302630400.

The previous prime is 21001300130189. The next prime is 21001300130227. The reversal of 21001300130212 is 21203100310012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233585787 + ... + 233675677.

It is an arithmetic number, because the mean of its divisors is an integer number (780652691280).

Almost surely, 2^{21001300130212} is an apocalyptic number.

It is an amenable number.

21001300130212 is a deficient number, since it is larger than the sum of its proper divisors (16470029051228).

21001300130212 is a wasteful number, since it uses less digits than its factorization.

21001300130212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92932 (or 92930 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21001300130212 its reverse (21203100310012), we get a palindrome (42204400440224).

The spelling of 21001300130212 in words is "twenty-one trillion, one billion, three hundred million, one hundred thirty thousand, two hundred twelve".