12102021012122 has 8 divisors (see below), whose sum is σ = 18942293758176. Its totient is φ = 5787923092732.

The previous prime is 12102021012083. The next prime is 12102021012127. The reversal of 12102021012122 is 22121012020121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12102021012122.

It is not an unprimeable number, because it can be changed into a prime (12102021012127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131543706608 + ... + 131543706699.

It is an arithmetic number, because the mean of its divisors is an integer number (2367786719772).

Almost surely, 2^{12102021012122} is an apocalyptic number.

12102021012122 is a deficient number, since it is larger than the sum of its proper divisors (6840272746054).

12102021012122 is a wasteful number, since it uses less digits than its factorization.

12102021012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263087413332.

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

Adding to 12102021012122 its reverse (22121012020121), we get a palindrome (34223033032243).

The spelling of 12102021012122 in words is "twelve trillion, one hundred two billion, twenty-one million, twelve thousand, one hundred twenty-two".