100212333123 has 16 divisors (see below), whose sum is σ = 152767143936. Its totient is φ = 57240701760.

The previous prime is 100212333121. The next prime is 100212333163. The reversal of 100212333123 is 321333212001.

It is not a de Polignac number, because 100212333123 - 2¹ = 100212333121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 100212333123.

It is not an unprimeable number, because it can be changed into a prime (100212333121) 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, 926211 + ... + 1028732.

It is an arithmetic number, because the mean of its divisors is an integer number (9547946496).

Almost surely, 2^100212333123 is an apocalyptic number.

100212333123 is a deficient number, since it is larger than the sum of its proper divisors (52554810813).

100212333123 is a wasteful number, since it uses less digits than its factorization.

100212333123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957394.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 100212333123 its reverse (321333212001), we get a palindrome (421545545124).

The spelling of 100212333123 in words is "one hundred billion, two hundred twelve million, three hundred thirty-three thousand, one hundred twenty-three".