212111134426 has 8 divisors (see below), whose sum is σ = 318252264480. Its totient is φ = 106027046268.

The previous prime is 212111134399. The next prime is 212111134427. The reversal of 212111134426 is 624431111212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×212111134426² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212111134394 and 212111134403.

It is not an unprimeable number, because it can be changed into a prime (212111134427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14251176 + ... + 14266051.

It is an arithmetic number, because the mean of its divisors is an integer number (39781533060).

Almost surely, 2^212111134426 is an apocalyptic number.

212111134426 is a deficient number, since it is larger than the sum of its proper divisors (106141130054).

212111134426 is a wasteful number, since it uses less digits than its factorization.

212111134426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28520948.

The product of its digits is 2304, while the sum is 28.

Adding to 212111134426 its reverse (624431111212), we get a palindrome (836542245638).

The spelling of 212111134426 in words is "two hundred twelve billion, one hundred eleven million, one hundred thirty-four thousand, four hundred twenty-six".