213210111012 has 48 divisors (see below), whose sum is σ = 527317035840. Its totient is φ = 66817999872.

The previous prime is 213210111001. The next prime is 213210111041. The reversal of 213210111012 is 210111012312.

It is a junction number, because it is equal to n+sod(n) for n = 213210110982 and 213210111000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366562 + ... + 748857.

It is an arithmetic number, because the mean of its divisors is an integer number (10985771580).

Almost surely, 2^213210111012 is an apocalyptic number.

It is an amenable number.

213210111012 is an abundant number, since it is smaller than the sum of its proper divisors (314106924828).

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

213210111012 is a wasteful number, since it uses less digits than its factorization.

213210111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116380 (or 1116378 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 213210111012 its reverse (210111012312), we get a palindrome (423321123324).

The spelling of 213210111012 in words is "two hundred thirteen billion, two hundred ten million, one hundred eleven thousand, twelve".