211211213314412 has 12 divisors (see below), whose sum is σ = 369623956409736. Its totient is φ = 105604368625920.

The previous prime is 211211213314393. The next prime is 211211213314427. The reversal of 211211213314412 is 214413312112112.

It is a super-2 number, since 2×211211213314412² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309123914 + ... + 309806417.

It is an arithmetic number, because the mean of its divisors is an integer number (30801996367478).

Almost surely, 2^{211211213314412} is an apocalyptic number.

It is an amenable number.

211211213314412 is a deficient number, since it is larger than the sum of its proper divisors (158412743095324).

211211213314412 is a wasteful number, since it uses less digits than its factorization.

211211213314412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619015648 (or 619015646 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

Adding to 211211213314412 its reverse (214413312112112), we get a palindrome (425624525426524).

The spelling of 211211213314412 in words is "two hundred eleven trillion, two hundred eleven billion, two hundred thirteen million, three hundred fourteen thousand, four hundred twelve".