100212033123 has 6 divisors (see below), whose sum is σ = 144750714524. Its totient is φ = 66808022076.

The previous prime is 100212033083. The next prime is 100212033133. The reversal of 100212033123 is 321330212001.

100212033123 is a `hidden beast` number, since 100 + 212 + 0 + 331 + 23 = 666.

It is not a de Polignac number, because 100212033123 - 2¹³ = 100212024931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100212033096 and 100212033105.

It is not an unprimeable number, because it can be changed into a prime (100212033133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5567335165 + ... + 5567335182.

Almost surely, 2^100212033123 is an apocalyptic number.

100212033123 is a deficient number, since it is larger than the sum of its proper divisors (44538681401).

100212033123 is a wasteful number, since it uses less digits than its factorization.

100212033123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11134670353 (or 11134670350 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 100212033123 its reverse (321330212001), we get a palindrome (421542245124).

The spelling of 100212033123 in words is "one hundred billion, two hundred twelve million, thirty-three thousand, one hundred twenty-three".