212122110030 has 16 divisors (see below), whose sum is σ = 509093064144. Its totient is φ = 56565896000.

The previous prime is 212122110023. The next prime is 212122110071. The reversal of 212122110030 is 30011221212.

212122110030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 212122109991 and 212122110009.

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, 3535368471 + ... + 3535368530.

It is an arithmetic number, because the mean of its divisors is an integer number (31818316509).

Almost surely, 2^212122110030 is an apocalyptic number.

212122110030 is an abundant number, since it is smaller than the sum of its proper divisors (296970954114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212122110030 is a wasteful number, since it uses less digits than its factorization.

212122110030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7070737011.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212122110030 its reverse (30011221212), we get a palindrome (242133331242).

The spelling of 212122110030 in words is "two hundred twelve billion, one hundred twenty-two million, one hundred ten thousand, thirty".