201010212123 has 24 divisors (see below), whose sum is σ = 311932837440. Its totient is φ = 114803332560.

The previous prime is 201010212113. The next prime is 201010212133. The reversal of 201010212123 is 321212010102.

It is an interprime number because it is at equal distance from previous prime (201010212113) and next prime (201010212133).

It is not a de Polignac number, because 201010212123 - 2⁴ = 201010212107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201010212113) 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, 70213 + ... + 637926.

It is an arithmetic number, because the mean of its divisors is an integer number (12997201560).

Almost surely, 2^201010212123 is an apocalyptic number.

201010212123 is a deficient number, since it is larger than the sum of its proper divisors (110922625317).

201010212123 is a wasteful number, since it uses less digits than its factorization.

201010212123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710087 (or 710080 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 201010212123 its reverse (321212010102), we get a palindrome (522222222225).

The spelling of 201010212123 in words is "two hundred one billion, ten million, two hundred twelve thousand, one hundred twenty-three".