212021111230 has 16 divisors (see below), whose sum is σ = 382176289440. Its totient is φ = 84688824672.

The previous prime is 212021111201. The next prime is 212021111251. The reversal of 212021111230 is 32111120212.

It is a super-2 number, since 2×212021111230² (a number of 23 digits) contains 22 as substring.

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, 14945034 + ... + 14959213.

It is an arithmetic number, because the mean of its divisors is an integer number (23886018090).

Almost surely, 2^212021111230 is an apocalyptic number.

212021111230 is a deficient number, since it is larger than the sum of its proper divisors (170155178210).

212021111230 is a wasteful number, since it uses less digits than its factorization.

212021111230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29904963.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212021111230 its reverse (32111120212), we get a palindrome (244132231442).

The spelling of 212021111230 in words is "two hundred twelve billion, twenty-one million, one hundred eleven thousand, two hundred thirty".