213101110423212 has 192 divisors, whose sum is σ = 558324997300224. Its totient is φ = 62703450351360.

The previous prime is 213101110423207. The next prime is 213101110423273. The reversal of 213101110423212 is 212324011101312.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 872159853 + ... + 872404155.

It is an arithmetic number, because the mean of its divisors is an integer number (2907942694272).

Almost surely, 2^{213101110423212} is an apocalyptic number.

213101110423212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213101110423212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279162498650112).

213101110423212 is an abundant number, since it is smaller than the sum of its proper divisors (345223886877012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213101110423212 is a wasteful number, since it uses less digits than its factorization.

213101110423212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245268 (or 245266 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 213101110423212 its reverse (212324011101312), we get a palindrome (425425121524524).

The spelling of 213101110423212 in words is "two hundred thirteen trillion, one hundred one billion, one hundred ten million, four hundred twenty-three thousand, two hundred twelve".