212211023303412 has 48 divisors (see below), whose sum is σ = 628773402382720. Its totient is φ = 60631720943616.

The previous prime is 212211023303401. The next prime is 212211023303483. The reversal of 212211023303412 is 214303320112212.

212211023303412 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 1 + 10 + 233 + 0 + 3 + 412 = 666.

It is a super-2 number, since 2×212211023303412² (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 a congruent number.

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, 140351205133 + ... + 140351206644.

Almost surely, 2^{212211023303412} is an apocalyptic number.

It is an amenable number.

212211023303412 is an abundant number, since it is smaller than the sum of its proper divisors (416562379079308).

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

212211023303412 is a wasteful number, since it uses less digits than its factorization.

212211023303412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280702411797 (or 280702411789 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 212211023303412 its reverse (214303320112212), we get a palindrome (426514343415624).

The spelling of 212211023303412 in words is "two hundred twelve trillion, two hundred eleven billion, twenty-three million, three hundred three thousand, four hundred twelve".