201002212123 has 2 divisors, whose sum is σ = 201002212124. Its totient is φ = 201002212122.

The previous prime is 201002212043. The next prime is 201002212133. The reversal of 201002212123 is 321212200102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201002212123 - 2²⁹ = 200465341211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201002212097 and 201002212106.

It is not a weakly prime, because it can be changed into another prime (201002212133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100501106061 + 100501106062.

It is an arithmetic number, because the mean of its divisors is an integer number (100501106062).

Almost surely, 2^201002212123 is an apocalyptic number.

201002212123 is a deficient number, since it is larger than the sum of its proper divisors (1).

201002212123 is an equidigital number, since it uses as much as digits as its factorization.

201002212123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 201002212123 its reverse (321212200102), we get a palindrome (522214412225).

The spelling of 201002212123 in words is "two hundred one billion, two million, two hundred twelve thousand, one hundred twenty-three".