212140021003 has 4 divisors (see below), whose sum is σ = 212235538768. Its totient is φ = 212044503240.

The previous prime is 212140021001. The next prime is 212140021013. The reversal of 212140021003 is 300120041212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212140021003 - 2¹ = 212140021001 is a prime.

It is a super-2 number, since 2×212140021003² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212140021001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47755551 + ... + 47759992.

It is an arithmetic number, because the mean of its divisors is an integer number (53058884692).

Almost surely, 2^212140021003 is an apocalyptic number.

212140021003 is a deficient number, since it is larger than the sum of its proper divisors (95517765).

212140021003 is an equidigital number, since it uses as much as digits as its factorization.

212140021003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95517764.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212140021003 its reverse (300120041212), we get a palindrome (512260062215).

The spelling of 212140021003 in words is "two hundred twelve billion, one hundred forty million, twenty-one thousand, three".