12122102221010 has 16 divisors (see below), whose sum is σ = 23103300703896. Its totient is φ = 4563614953728.

The previous prime is 12122102220979. The next prime is 12122102221013. The reversal of 12122102221010 is 1012220122121.

It can be written as a sum of positive squares in 4 ways, for example, as 10294363161289 + 1827739059721 = 3208483^2 + 1351939^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 12122102221010.

It is not an unprimeable number, because it can be changed into a prime (12122102221013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35653241657 + ... + 35653241996.

Almost surely, 2^{12122102221010} is an apocalyptic number.

12122102221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122102221010 is a deficient number, since it is larger than the sum of its proper divisors (10981198482886).

12122102221010 is a wasteful number, since it uses less digits than its factorization.

12122102221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71306483677.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12122102221010 its reverse (1012220122121), we get a palindrome (13134322343131).

The spelling of 12122102221010 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, two hundred twenty-one thousand, ten".