213110222012 has 6 divisors (see below), whose sum is σ = 372942888528. Its totient is φ = 106555111004.

The previous prime is 213110222011. The next prime is 213110222027. The reversal of 213110222012 is 210222011312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213110222011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26638777748 + ... + 26638777755.

It is an arithmetic number, because the mean of its divisors is an integer number (62157148088).

Almost surely, 2^213110222012 is an apocalyptic number.

It is an amenable number.

213110222012 is a deficient number, since it is larger than the sum of its proper divisors (159832666516).

213110222012 is a wasteful number, since it uses less digits than its factorization.

213110222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53277555507 (or 53277555505 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 213110222012 its reverse (210222011312), we get a palindrome (423332233324).

The spelling of 213110222012 in words is "two hundred thirteen billion, one hundred ten million, two hundred twenty-two thousand, twelve".