212130231231011 has 8 divisors (see below), whose sum is σ = 215036520874464. Its totient is φ = 209223952292160.

The previous prime is 212130231230987. The next prime is 212130231231013. The reversal of 212130231231011 is 110132132031212.

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 a de Polignac number, because none of the positive numbers 2^k-212130231231011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212130231231013) 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, 42392690 + ... + 47131736.

It is an arithmetic number, because the mean of its divisors is an integer number (26879565109308).

Almost surely, 2^{212130231231011} is an apocalyptic number.

212130231231011 is a deficient number, since it is larger than the sum of its proper divisors (2906289643453).

212130231231011 is an equidigital number, since it uses as much as digits as its factorization.

212130231231011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5352301.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 212130231231011 its reverse (110132132031212), we get a palindrome (322262363262223).

The spelling of 212130231231011 in words is "two hundred twelve trillion, one hundred thirty billion, two hundred thirty-one million, two hundred thirty-one thousand, eleven".