102012210133123 has 16 divisors (see below), whose sum is σ = 107439707200000. Its totient is φ = 96590560720032.

The previous prime is 102012210133109. The next prime is 102012210133153. The reversal of 102012210133123 is 321331012210201.

It is a cyclic number.

It is not a de Polignac number, because 102012210133123 - 2²⁵ = 102012176578691 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102012210133094 and 102012210133103.

It is not an unprimeable number, because it can be changed into a prime (102012210133103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1172012161 + ... + 1172099197.

It is an arithmetic number, because the mean of its divisors is an integer number (6714981700000).

Almost surely, 2^{102012210133123} is an apocalyptic number.

102012210133123 is a deficient number, since it is larger than the sum of its proper divisors (5427497066877).

102012210133123 is a wasteful number, since it uses less digits than its factorization.

102012210133123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119914.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 102012210133123 its reverse (321331012210201), we get a palindrome (423343222343324).

The spelling of 102012210133123 in words is "one hundred two trillion, twelve billion, two hundred ten million, one hundred thirty-three thousand, one hundred twenty-three".