212010222021112 has 8 divisors (see below), whose sum is σ = 397519166289600. Its totient is φ = 106005111010552.

The previous prime is 212010222021109. The next prime is 212010222021137. The reversal of 212010222021112 is 211120222010212.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×212010222021112² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212010222021112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13250638876312 + ... + 13250638876327.

It is an arithmetic number, because the mean of its divisors is an integer number (49689895786200).

Almost surely, 2^{212010222021112} is an apocalyptic number.

It is an amenable number.

212010222021112 is a deficient number, since it is larger than the sum of its proper divisors (185508944268488).

212010222021112 is a wasteful number, since it uses less digits than its factorization.

212010222021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26501277752645 (or 26501277752641 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212010222021112 its reverse (211120222010212), we get a palindrome (423130444031324).

The spelling of 212010222021112 in words is "two hundred twelve trillion, ten billion, two hundred twenty-two million, twenty-one thousand, one hundred twelve".