12210122122 has 16 divisors (see below), whose sum is σ = 20004926400. Its totient is φ = 5543187040.

The previous prime is 12210122101. The next prime is 12210122129. The reversal of 12210122122 is 22122101221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12210122096 and 12210122105.

It is not an unprimeable number, because it can be changed into a prime (12210122129) 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, 325222 + ... + 360817.

It is an arithmetic number, because the mean of its divisors is an integer number (1250307900).

Almost surely, 2^12210122122 is an apocalyptic number.

12210122122 is a deficient number, since it is larger than the sum of its proper divisors (7794804278).

12210122122 is a wasteful number, since it uses less digits than its factorization.

12210122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686861.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12210122122 its reverse (22122101221), we get a palindrome (34332223343).

It can be divided in two parts, 122101221 and 22, that multiplied together give a palindrome (2686226862).

The spelling of 12210122122 in words is "twelve billion, two hundred ten million, one hundred twenty-two thousand, one hundred twenty-two".