212013130 has 32 divisors (see below), whose sum is σ = 441054720. Its totient is φ = 71871360.

The previous prime is 212013121. The next prime is 212013133. The reversal of 212013130 is 31310212.

It is a self number, because there is not a number n which added to its sum of digits gives 212013130.

It is not an unprimeable number, because it can be changed into a prime (212013133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10786 + ... + 23245.

It is an arithmetic number, because the mean of its divisors is an integer number (13782960).

Almost surely, 2^212013130 is an apocalyptic number.

212013130 is an abundant number, since it is smaller than the sum of its proper divisors (229041590).

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

212013130 is a wasteful number, since it uses less digits than its factorization.

212013130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34134.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 212013130 is about 14560.6706576311. The cubic root of 212013130 is about 596.2855053741.

Adding to 212013130 its reverse (31310212), we get a palindrome (243323342).

The spelling of 212013130 in words is "two hundred twelve million, thirteen thousand, one hundred thirty".