212113030323012 has 192 divisors, whose sum is σ = 620669197209600. Its totient is φ = 54883668542976.

The previous prime is 212113030322993. The next prime is 212113030323013. The reversal of 212113030323012 is 210323030311212.

It is a super-2 number, since 2×212113030323012² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212113030323013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1336798393 + ... + 1336957055.

It is an arithmetic number, because the mean of its divisors is an integer number (3232652068800).

Almost surely, 2^{212113030323012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212113030323012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310334598604800).

212113030323012 is an abundant number, since it is smaller than the sum of its proper divisors (408556166886588).

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

212113030323012 is a wasteful number, since it uses less digits than its factorization.

212113030323012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181842 (or 181840 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 212113030323012 its reverse (210323030311212), we get a palindrome (422436060634224).

The spelling of 212113030323012 in words is "two hundred twelve trillion, one hundred thirteen billion, thirty million, three hundred twenty-three thousand, twelve".