210012130111123 has 8 divisors (see below), whose sum is σ = 222373944628128. Its totient is φ = 197651222239104.

The previous prime is 210012130111079. The next prime is 210012130111187. The reversal of 210012130111123 is 321111031210012.

210012130111123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210012130111123 is a prime.

It is a super-2 number, since 2×210012130111123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210012130111123.

It is not an unprimeable number, because it can be changed into a prime (210012130111193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226184311 + ... + 227110912.

It is an arithmetic number, because the mean of its divisors is an integer number (27796743078516).

Almost surely, 2^{210012130111123} is an apocalyptic number.

210012130111123 is a deficient number, since it is larger than the sum of its proper divisors (12361814517005).

210012130111123 is a wasteful number, since it uses less digits than its factorization.

210012130111123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453322493.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 210012130111123 its reverse (321111031210012), we get a palindrome (531123161321135).

The spelling of 210012130111123 in words is "two hundred ten trillion, twelve billion, one hundred thirty million, one hundred eleven thousand, one hundred twenty-three".