212110222012012 has 24 divisors (see below), whose sum is σ = 378197977614912. Its totient is φ = 104053672320000.

The previous prime is 212110222011971. The next prime is 212110222012057. The reversal of 212110222012012 is 210210222011212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57912012 + ... + 61465612.

It is an arithmetic number, because the mean of its divisors is an integer number (15758249067288).

Almost surely, 2^{212110222012012} is an apocalyptic number.

It is an amenable number.

212110222012012 is a deficient number, since it is larger than the sum of its proper divisors (166087755602900).

212110222012012 is a wasteful number, since it uses less digits than its factorization.

212110222012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835209 (or 3835207 counting only the distinct ones).

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

Adding to 212110222012012 its reverse (210210222011212), we get a palindrome (422320444023224).

The spelling of 212110222012012 in words is "two hundred twelve trillion, one hundred ten billion, two hundred twenty-two million, twelve thousand, twelve".