212112021003 has 8 divisors (see below), whose sum is σ = 285318825168. Its totient is φ = 140156615424.

The previous prime is 212112020987. The next prime is 212112021013. The reversal of 212112021003 is 300120211212.

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

It is not a de Polignac number, because 212112021003 - 2⁴ = 212112020987 is a prime.

It is a super-2 number, since 2×212112021003² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212112021013) 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, 312849250 + ... + 312849927.

It is an arithmetic number, because the mean of its divisors is an integer number (35664853146).

Almost surely, 2^212112021003 is an apocalyptic number.

212112021003 is a deficient number, since it is larger than the sum of its proper divisors (73206804165).

212112021003 is a wasteful number, since it uses less digits than its factorization.

212112021003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625699293.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212112021003 its reverse (300120211212), we get a palindrome (512232232215).

The spelling of 212112021003 in words is "two hundred twelve billion, one hundred twelve million, twenty-one thousand, three".