210321000123012 has 72 divisors (see below), whose sum is σ = 546021798643776. Its totient is φ = 68211182942784.

The previous prime is 210321000123001. The next prime is 210321000123079.

210321000123012 is a `hidden beast` number, since 210 + 3 + 210 + 0 + 0 + 1 + 230 + 12 = 666.

210321000123012 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89338083 + ... + 91662069.

Almost surely, 2^{210321000123012} is an apocalyptic number.

It is an amenable number.

210321000123012 is an abundant number, since it is smaller than the sum of its proper divisors (335700798520764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210321000123012 is a wasteful number, since it uses less digits than its factorization.

210321000123012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391977 (or 2391972 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

It can be divided in two parts, 210321000 and 123012, that added together give a palindrome (210444012).

The spelling of 210321000123012 in words is "two hundred ten trillion, three hundred twenty-one billion, one hundred twenty-three thousand, twelve".