213211130001210 has 96 divisors (see below), whose sum is σ = 605619470589120. Its totient is φ = 51612745420800.

The previous prime is 213211130001157. The next prime is 213211130001211. The reversal of 213211130001210 is 12100031112312.

213211130001210 is a `hidden beast` number, since 2 + 1 + 321 + 1 + 130 + 0 + 0 + 1 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (213211130001211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 155151495 + ... + 156519674.

It is an arithmetic number, because the mean of its divisors is an integer number (6308536151970).

Almost surely, 2^{213211130001210} is an apocalyptic number.

213211130001210 is an abundant number, since it is smaller than the sum of its proper divisors (392408340587910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213211130001210 is a wasteful number, since it uses less digits than its factorization.

213211130001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311671884 (or 311671881 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 213211130001210 its reverse (12100031112312), we get a palindrome (225311161113522).

The spelling of 213211130001210 in words is "two hundred thirteen trillion, two hundred eleven billion, one hundred thirty million, one thousand, two hundred ten".