212202231123131 has 8 divisors (see below), whose sum is σ = 212661884657664. Its totient is φ = 211742600064040.

The previous prime is 212202231123109. The next prime is 212202231123133. The reversal of 212202231123131 is 131321132202212.

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 212202231123131 - 2¹⁰ = 212202231122107 is a prime.

It is a super-2 number, since 2×212202231123131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212202231123131.

It is not an unprimeable number, because it can be changed into a prime (212202231123133) 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, 13353926 + ... + 24550596.

It is an arithmetic number, because the mean of its divisors is an integer number (26582735582208).

Almost surely, 2^{212202231123131} is an apocalyptic number.

212202231123131 is a deficient number, since it is larger than the sum of its proper divisors (459653534533).

212202231123131 is a wasteful number, since it uses less digits than its factorization.

212202231123131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11237721.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 212202231123131 its reverse (131321132202212), we get a palindrome (343523363325343).

The spelling of 212202231123131 in words is "two hundred twelve trillion, two hundred two billion, two hundred thirty-one million, one hundred twenty-three thousand, one hundred thirty-one".