212233111230 has 64 divisors (see below), whose sum is σ = 582508205568. Its totient is φ = 48478500480.

The previous prime is 212233111213. The next prime is 212233111267. The reversal of 212233111230 is 32111332212.

It is a super-2 number, since 2×212233111230² (a number of 23 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 212233111197 and 212233111206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11961 + ... + 651620.

It is an arithmetic number, because the mean of its divisors is an integer number (9101690712).

Almost surely, 2^212233111230 is an apocalyptic number.

212233111230 is an abundant number, since it is smaller than the sum of its proper divisors (370275094338).

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

212233111230 is a wasteful number, since it uses less digits than its factorization.

212233111230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665121.

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

Adding to 212233111230 its reverse (32111332212), we get a palindrome (244344443442).

The spelling of 212233111230 in words is "two hundred twelve billion, two hundred thirty-three million, one hundred eleven thousand, two hundred thirty".