303212100213 has 24 divisors (see below), whose sum is σ = 488900137440. Its totient is φ = 179491304160.

The previous prime is 303212100203. The next prime is 303212100253. The reversal of 303212100213 is 312001212303.

303212100213 is a `hidden beast` number, since 30 + 321 + 2 + 100 + 213 = 666.

It is not a de Polignac number, because 303212100213 - 2⁴ = 303212100197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303212100203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35609098 + ... + 35617611.

It is an arithmetic number, because the mean of its divisors is an integer number (20370839060).

Almost surely, 2^303212100213 is an apocalyptic number.

303212100213 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

303212100213 is a deficient number, since it is larger than the sum of its proper divisors (185688037227).

303212100213 is a wasteful number, since it uses less digits than its factorization.

303212100213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71226769 (or 71226766 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 303212100213 its reverse (312001212303), we get a palindrome (615213312516).

The spelling of 303212100213 in words is "three hundred three billion, two hundred twelve million, one hundred thousand, two hundred thirteen".