212212313331012 has 60 divisors (see below), whose sum is σ = 554778635370960. Its totient is φ = 70735687100784.

The previous prime is 212212313331001. The next prime is 212212313331017. The reversal of 212212313331012 is 210133313212212.

212212313331012 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 1 + 2 + 313 + 331 + 0 + 12 = 666.

It is a super-2 number, since 2×212212313331012² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (212212313331017) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5039539 + ... + 21208997.

It is an arithmetic number, because the mean of its divisors is an integer number (9246310589516).

Almost surely, 2^{212212313331012} is an apocalyptic number.

It is an amenable number.

212212313331012 is an abundant number, since it is smaller than the sum of its proper divisors (342566322039948).

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

212212313331012 is a wasteful number, since it uses less digits than its factorization.

212212313331012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16209982 (or 16209971 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 212212313331012 its reverse (210133313212212), we get a palindrome (422345626543224).

The spelling of 212212313331012 in words is "two hundred twelve trillion, two hundred twelve billion, three hundred thirteen million, three hundred thirty-one thousand, twelve".