212021200030 has 8 divisors (see below), whose sum is σ = 381638160072. Its totient is φ = 84808480008.

The previous prime is 212021199979. The next prime is 212021200031. The reversal of 212021200030 is 30002120212.

212021200030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×212021200030² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021200031) 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, 10601059992 + ... + 10601060011.

It is an arithmetic number, because the mean of its divisors is an integer number (47704770009).

Almost surely, 2^212021200030 is an apocalyptic number.

212021200030 is a deficient number, since it is larger than the sum of its proper divisors (169616960042).

212021200030 is a wasteful number, since it uses less digits than its factorization.

212021200030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21202120010.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 212021200030 its reverse (30002120212), we get a palindrome (242023320242).

The spelling of 212021200030 in words is "two hundred twelve billion, twenty-one million, two hundred thousand, thirty".