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120100213 is a prime number
BaseRepresentation
bin1110010100010…
…01010101110101
322100222201112001
413022021111311
5221221201323
615530055301
72655556252
oct712112565
9270881461
10120100213
1161880082
123427a531
131bb6071c
1411d44429
15a8253ad
hex7289575

120100213 has 2 divisors, whose sum is σ = 120100214. Its totient is φ = 120100212.

The previous prime is 120100199. The next prime is 120100289. The reversal of 120100213 is 312001021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83594449 + 36505764 = 9143^2 + 6042^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120100213 is a prime.

It is a super-2 number, since 2×1201002132 = 28848122325290738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120100213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120100313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050106 + 60050107.

It is an arithmetic number, because the mean of its divisors is an integer number (60050107).

Almost surely, 2120100213 is an apocalyptic number.

It is an amenable number.

120100213 is a deficient number, since it is larger than the sum of its proper divisors (1).

120100213 is an equidigital number, since it uses as much as digits as its factorization.

120100213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 120100213 is about 10959.0242722607. The cubic root of 120100213 is about 493.3796802797.

Adding to 120100213 its reverse (312001021), we get a palindrome (432101234).

The spelling of 120100213 in words is "one hundred twenty million, one hundred thousand, two hundred thirteen".