212133000422 has 32 divisors (see below), whose sum is σ = 366691860480. Its totient is φ = 90155993760.

The previous prime is 212133000407. The next prime is 212133000427. The reversal of 212133000422 is 224000331212.

It is a junction number, because it is equal to n+sod(n) for n = 212133000394 and 212133000403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212133000427) 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, 3922079 + ... + 3975797.

It is an arithmetic number, because the mean of its divisors is an integer number (11459120640).

Almost surely, 2^212133000422 is an apocalyptic number.

212133000422 is a deficient number, since it is larger than the sum of its proper divisors (154558860058).

212133000422 is a wasteful number, since it uses less digits than its factorization.

212133000422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56076.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 212133000422 its reverse (224000331212), we get a palindrome (436133331634).

The spelling of 212133000422 in words is "two hundred twelve billion, one hundred thirty-three million, four hundred twenty-two", and thus it is an aban number.