212100210223030 has 16 divisors (see below), whose sum is σ = 382074734923200. Its totient is φ = 84774671528832.

The previous prime is 212100210223003. The next prime is 212100210223067. The reversal of 212100210223030 is 30322012001212.

It is a junction number, because it is equal to n+sod(n) for n = 212100210222989 and 212100210223007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8176556430 + ... + 8176582369.

It is an arithmetic number, because the mean of its divisors is an integer number (23879670932700).

Almost surely, 2^{212100210223030} is an apocalyptic number.

212100210223030 is a deficient number, since it is larger than the sum of its proper divisors (169974524700170).

212100210223030 is a wasteful number, since it uses less digits than its factorization.

212100210223030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16353140103.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212100210223030 its reverse (30322012001212), we get a palindrome (242422222224242).

The spelling of 212100210223030 in words is "two hundred twelve trillion, one hundred billion, two hundred ten million, two hundred twenty-three thousand, thirty".