212101120030 has 8 divisors (see below), whose sum is σ = 381782016072. Its totient is φ = 84840448008.

The previous prime is 212101119961. The next prime is 212101120037. The reversal of 212101120030 is 30021101212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212101120037) 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, 10605055992 + ... + 10605056011.

It is an arithmetic number, because the mean of its divisors is an integer number (47722752009).

Almost surely, 2^212101120030 is an apocalyptic number.

212101120030 is a deficient number, since it is larger than the sum of its proper divisors (169680896042).

212101120030 is a wasteful number, since it uses less digits than its factorization.

212101120030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21210112010.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 212101120030 its reverse (30021101212), we get a palindrome (242122221242).

The spelling of 212101120030 in words is "two hundred twelve billion, one hundred one million, one hundred twenty thousand, thirty".