212132332330 has 16 divisors (see below), whose sum is σ = 404299269000. Its totient is φ = 79861583872.

The previous prime is 212132332273. The next prime is 212132332351. The reversal of 212132332330 is 33233231212.

It can be written as a sum of positive squares in 4 ways, for example, as 148025637081 + 64106695249 = 384741^2 + 253193^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212132332295 and 212132332304.

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, 623918455 + ... + 623918794.

Almost surely, 2^212132332330 is an apocalyptic number.

212132332330 is a deficient number, since it is larger than the sum of its proper divisors (192166936670).

212132332330 is a wasteful number, since it uses less digits than its factorization.

212132332330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247837273.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 212132332330 its reverse (33233231212), we get a palindrome (245365563542).

The spelling of 212132332330 in words is "two hundred twelve billion, one hundred thirty-two million, three hundred thirty-two thousand, three hundred thirty".