212203113430 has 32 divisors (see below), whose sum is σ = 476216858880. Its totient is φ = 66141229920.

The previous prime is 212203113319. The next prime is 212203113443. The reversal of 212203113430 is 34311302212.

212203113430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212203113430² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137793460 + ... + 137794999.

It is an arithmetic number, because the mean of its divisors is an integer number (14881776840).

Almost surely, 2^212203113430 is an apocalyptic number.

212203113430 is an abundant number, since it is smaller than the sum of its proper divisors (264013745450).

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

212203113430 is a wasteful number, since it uses less digits than its factorization.

212203113430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275588484.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 212203113430 its reverse (34311302212), we get a palindrome (246514415642).

The spelling of 212203113430 in words is "two hundred twelve billion, two hundred three million, one hundred thirteen thousand, four hundred thirty".