100212223 has 2 divisors, whose sum is σ = 100212224. Its totient is φ = 100212222.

The previous prime is 100212163. The next prime is 100212253. The reversal of 100212223 is 322212001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100212223 - 2²¹ = 98115071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100212253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50106111 + 50106112.

It is an arithmetic number, because the mean of its divisors is an integer number (50106112).

Almost surely, 2^100212223 is an apocalyptic number.

100212223 is a deficient number, since it is larger than the sum of its proper divisors (1).

100212223 is an equidigital number, since it uses as much as digits as its factorization.

100212223 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 13.

The square root of 100212223 is about 10010.6055261408. The cubic root of 100212223 is about 464.4870019919.

Adding to 100212223 its reverse (322212001), we get a palindrome (422424224).

It can be divided in two parts, 1002 and 12223, that added together give a square (13225 = 115²).

The spelling of 100212223 in words is "one hundred million, two hundred twelve thousand, two hundred twenty-three".