10212120212122 has 16 divisors (see below), whose sum is σ = 16130832094080. Its totient is φ = 4839249623472.

The previous prime is 10212120212081. The next prime is 10212120212123. The reversal of 10212120212122 is 22121202121201.

It is a self number, because there is not a number n which added to its sum of digits gives 10212120212122.

It is not an unprimeable number, because it can be changed into a prime (10212120212123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018355598 + ... + 1018365625.

It is an arithmetic number, because the mean of its divisors is an integer number (1008177005880).

Almost surely, 2^{10212120212122} is an apocalyptic number.

10212120212122 is a deficient number, since it is larger than the sum of its proper divisors (5918711881958).

10212120212122 is a wasteful number, since it uses less digits than its factorization.

10212120212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036721357.

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

Adding to 10212120212122 its reverse (22121202121201), we get a palindrome (32333322333323).

The spelling of 10212120212122 in words is "ten trillion, two hundred twelve billion, one hundred twenty million, two hundred twelve thousand, one hundred twenty-two".