212012012001212 has 6 divisors (see below), whose sum is σ = 371021021002128. Its totient is φ = 106006006000604.

The previous prime is 212012012001211. The next prime is 212012012001239. The reversal of 212012012001212 is 212100210210212.

It is a super-2 number, since 2×212012012001212² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012012001211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26501501500148 + ... + 26501501500155.

It is an arithmetic number, because the mean of its divisors is an integer number (61836836833688).

Almost surely, 2^{212012012001212} is an apocalyptic number.

It is an amenable number.

212012012001212 is a deficient number, since it is larger than the sum of its proper divisors (159009009000916).

212012012001212 is a wasteful number, since it uses less digits than its factorization.

212012012001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53003003000307 (or 53003003000305 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212012012001212 its reverse (212100210210212), we get a palindrome (424112222211424).

The spelling of 212012012001212 in words is "two hundred twelve trillion, twelve billion, twelve million, one thousand, two hundred twelve".