12021022102 has 8 divisors (see below), whose sum is σ = 18032008176. Its totient is φ = 6010352712.

The previous prime is 12021022073. The next prime is 12021022103. The reversal of 12021022102 is 20122012021.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021022103) 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, 78648 + ... + 173860.

It is an arithmetic number, because the mean of its divisors is an integer number (2254001022).

Almost surely, 2^12021022102 is an apocalyptic number.

12021022102 is a deficient number, since it is larger than the sum of its proper divisors (6010986074).

12021022102 is an equidigital number, since it uses as much as digits as its factorization.

12021022102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158342.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12021022102 its reverse (20122012021), we get a palindrome (32143034123).

The spelling of 12021022102 in words is "twelve billion, twenty-one million, twenty-two thousand, one hundred two".