100212143 has 2 divisors, whose sum is σ = 100212144. Its totient is φ = 100212142.

The previous prime is 100212121. The next prime is 100212157. The reversal of 100212143 is 341212001.

It is an a-pointer prime, because the next prime (100212157) can be obtained adding 100212143 to its sum of digits (14).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100212143 - 2¹⁸ = 99949999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100212103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50106071 + 50106072.

It is an arithmetic number, because the mean of its divisors is an integer number (50106072).

Almost surely, 2^100212143 is an apocalyptic number.

100212143 is a deficient number, since it is larger than the sum of its proper divisors (1).

100212143 is an equidigital number, since it uses as much as digits as its factorization.

100212143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 100212143 is about 10010.6015303777. The cubic root of 100212143 is about 464.4868783910.

Adding to 100212143 its reverse (341212001), we get a palindrome (441424144).

The spelling of 100212143 in words is "one hundred million, two hundred twelve thousand, one hundred forty-three".