212232100030 has 16 divisors (see below), whose sum is σ = 398627249184. Its totient is φ = 81201846880.

The previous prime is 212232099991. The next prime is 212232100039. The reversal of 212232100030 is 30001232212.

It is a junction number, because it is equal to n+sod(n) for n = 212232099977 and 212232100013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212232100039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461373901 + ... + 461374360.

It is an arithmetic number, because the mean of its divisors is an integer number (24914203074).

Almost surely, 2^212232100030 is an apocalyptic number.

212232100030 is a deficient number, since it is larger than the sum of its proper divisors (186395149154).

212232100030 is a wasteful number, since it uses less digits than its factorization.

212232100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922748291.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 212232100030 its reverse (30001232212), we get a palindrome (242233332242).

The spelling of 212232100030 in words is "two hundred twelve billion, two hundred thirty-two million, one hundred thousand, thirty".