210123212030 has 16 divisors (see below), whose sum is σ = 390422484864. Its totient is φ = 81338017440.

The previous prime is 210123212023. The next prime is 210123212041. The reversal of 210123212030 is 30212321012.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338908097 + ... + 338908716.

It is an arithmetic number, because the mean of its divisors is an integer number (24401405304).

Almost surely, 2^210123212030 is an apocalyptic number.

210123212030 is a deficient number, since it is larger than the sum of its proper divisors (180299272834).

210123212030 is a wasteful number, since it uses less digits than its factorization.

210123212030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677816851.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 210123212030 its reverse (30212321012), we get a palindrome (240335533042).

The spelling of 210123212030 in words is "two hundred ten billion, one hundred twenty-three million, two hundred twelve thousand, thirty".