212101311212203 has 8 divisors (see below), whose sum is σ = 252940694116608. Its totient is φ = 173896727204904.

The previous prime is 212101311212179. The next prime is 212101311212221. The reversal of 212101311212203 is 302212113101212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 212101311212203 - 2⁴¹ = 209902287956651 is a prime.

It is a super-2 number, since 2×212101311212203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212101311212303) 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, 658699724101 + ... + 658699724422.

It is an arithmetic number, because the mean of its divisors is an integer number (31617586764576).

Almost surely, 2^{212101311212203} is an apocalyptic number.

212101311212203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

212101311212203 is a deficient number, since it is larger than the sum of its proper divisors (40839382904405).

212101311212203 is a wasteful number, since it uses less digits than its factorization.

212101311212203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317399448553.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 212101311212203 its reverse (302212113101212), we get a palindrome (514313424313415).

The spelling of 212101311212203 in words is "two hundred twelve trillion, one hundred one billion, three hundred eleven million, two hundred twelve thousand, two hundred three".