212102023330 has 16 divisors (see below), whose sum is σ = 382665367224. Its totient is φ = 84644870400.

The previous prime is 212102023313. The next prime is 212102023339. The reversal of 212102023330 is 33320201212.

It can be written as a sum of positive squares in 4 ways, for example, as 80758840761 + 131343182569 = 284181^2 + 362413^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212102023298 and 212102023307.

It is not an unprimeable number, because it can be changed into a prime (212102023339) 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, 24487821 + ... + 24496480.

Almost surely, 2^212102023330 is an apocalyptic number.

212102023330 is a deficient number, since it is larger than the sum of its proper divisors (170563343894).

212102023330 is a wasteful number, since it uses less digits than its factorization.

212102023330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48984741.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 212102023330 its reverse (33320201212), we get a palindrome (245422224542).

The spelling of 212102023330 in words is "two hundred twelve billion, one hundred two million, twenty-three thousand, three hundred thirty".