201012012210123 has 24 divisors (see below), whose sum is σ = 291432330427680. Its totient is φ = 133508794634880.

The previous prime is 201012012210067. The next prime is 201012012210127. The reversal of 201012012210123 is 321012210210102.

201012012210123 is a `hidden beast` number, since 20 + 101 + 201 + 221 + 0 + 123 = 666.

It is not a de Polignac number, because 201012012210123 - 2⁹ = 201012012209611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201012012210096 and 201012012210105.

It is not an unprimeable number, because it can be changed into a prime (201012012210127) 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, 425068018 + ... + 425540648.

It is an arithmetic number, because the mean of its divisors is an integer number (12143013767820).

Almost surely, 2^{201012012210123} is an apocalyptic number.

201012012210123 is a deficient number, since it is larger than the sum of its proper divisors (90420318217557).

201012012210123 is a wasteful number, since it uses less digits than its factorization.

201012012210123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648579 (or 648576 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 201012012210123 its reverse (321012210210102), we get a palindrome (522024222420225).

The spelling of 201012012210123 in words is "two hundred one trillion, twelve billion, twelve million, two hundred ten thousand, one hundred twenty-three".