210002010123 has 16 divisors (see below), whose sum is σ = 299408813856. Its totient is φ = 130461350400.

The previous prime is 210002010103. The next prime is 210002010143. The reversal of 210002010123 is 321010200012.

It is an interprime number because it is at equal distance from previous prime (210002010103) and next prime (210002010143).

It is not a de Polignac number, because 210002010123 - 2²⁴ = 209985232907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210002010099 and 210002010108.

It is not an unprimeable number, because it can be changed into a prime (210002010103) 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, 20379436 + ... + 20389737.

It is an arithmetic number, because the mean of its divisors is an integer number (18713050866).

Almost surely, 2^210002010123 is an apocalyptic number.

210002010123 is a deficient number, since it is larger than the sum of its proper divisors (89406803733).

210002010123 is a wasteful number, since it uses less digits than its factorization.

210002010123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40769294.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 210002010123 its reverse (321010200012), we get a palindrome (531012210135).

The spelling of 210002010123 in words is "two hundred ten billion, two million, ten thousand, one hundred twenty-three".