212213221331012 has 48 divisors (see below), whose sum is σ = 408821124583872. Its totient is φ = 95583171425280.

The previous prime is 212213221330969. The next prime is 212213221331077. The reversal of 212213221331012 is 210133122312212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14722808 + ... + 25321680.

It is an arithmetic number, because the mean of its divisors is an integer number (8517106762164).

Almost surely, 2^{212213221331012} is an apocalyptic number.

212213221331012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212213221331012 is a deficient number, since it is larger than the sum of its proper divisors (196607903252860).

212213221331012 is a wasteful number, since it uses less digits than its factorization.

212213221331012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10603028 (or 10603026 counting only the distinct ones).

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

Adding to 212213221331012 its reverse (210133122312212), we get a palindrome (422346343643224).

The spelling of 212213221331012 in words is "two hundred twelve trillion, two hundred thirteen billion, two hundred twenty-one million, three hundred thirty-one thousand, twelve".