210203211312 has 60 divisors (see below), whose sum is σ = 607253734464. Its totient is φ = 67807486080.

The previous prime is 210203211293. The next prime is 210203211353. The reversal of 210203211312 is 213112302012.

210203211312 is a `hidden beast` number, since 2 + 10 + 20 + 321 + 1 + 312 = 666.

It is a super-2 number, since 2×210203211312² (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23539803 + ... + 23548730.

Almost surely, 2^210203211312 is an apocalyptic number.

It is an amenable number.

210203211312 is an abundant number, since it is smaller than the sum of its proper divisors (397050523152).

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

210203211312 is a wasteful number, since it uses less digits than its factorization.

210203211312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47088578 (or 47088569 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 210203211312 its reverse (213112302012), we get a palindrome (423315513324).

The spelling of 210203211312 in words is "two hundred ten billion, two hundred three million, two hundred eleven thousand, three hundred twelve".