212030651 has 8 divisors (see below), whose sum is σ = 244819680. Its totient is φ = 179866368.

The previous prime is 212030603. The next prime is 212030659. The reversal of 212030651 is 156030212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212030651 - 2⁶ = 212030587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212030659) 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, 155456 + ... + 156813.

It is an arithmetic number, because the mean of its divisors is an integer number (30602460).

Almost surely, 2^212030651 is an apocalyptic number.

212030651 is a deficient number, since it is larger than the sum of its proper divisors (32789029).

212030651 is an equidigital number, since it uses as much as digits as its factorization.

212030651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312373.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 212030651 is about 14561.2723001804. The cubic root of 212030651 is about 596.3019308200.

Adding to 212030651 its reverse (156030212), we get a palindrome (368060863).

The spelling of 212030651 in words is "two hundred twelve million, thirty thousand, six hundred fifty-one".