211212013222 has 32 divisors (see below), whose sum is σ = 363954205440. Its totient is φ = 90050698080.

The previous prime is 211212013217. The next prime is 211212013261. The reversal of 211212013222 is 222310212112.

It is a super-3 number, since 3×211212013222³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 211212013222.

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, 7249348 + ... + 7278424.

It is an arithmetic number, because the mean of its divisors is an integer number (11373568920).

Almost surely, 2^211212013222 is an apocalyptic number.

211212013222 is a deficient number, since it is larger than the sum of its proper divisors (152742192218).

211212013222 is a wasteful number, since it uses less digits than its factorization.

211212013222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31756.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 211212013222 its reverse (222310212112), we get a palindrome (433522225334).

The spelling of 211212013222 in words is "two hundred eleven billion, two hundred twelve million, thirteen thousand, two hundred twenty-two".