212213231013 has 16 divisors (see below), whose sum is σ = 323592421376. Its totient is φ = 121182248880.

The previous prime is 212213230997. The next prime is 212213231023. The reversal of 212213231013 is 310132312212.

It is not a de Polignac number, because 212213231013 - 2⁴ = 212213230997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212213231023) 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, 3403981 + ... + 3465762.

It is an arithmetic number, because the mean of its divisors is an integer number (20224526336).

Almost surely, 2^212213231013 is an apocalyptic number.

It is an amenable number.

212213231013 is a deficient number, since it is larger than the sum of its proper divisors (111379190363).

212213231013 is a wasteful number, since it uses less digits than its factorization.

212213231013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6871224.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 212213231013 its reverse (310132312212), we get a palindrome (522345543225).

The spelling of 212213231013 in words is "two hundred twelve billion, two hundred thirteen million, two hundred thirty-one thousand, thirteen".