12021112102 has 16 divisors (see below), whose sum is σ = 18285207552. Its totient is φ = 5926624200.

The previous prime is 12021112091. The next prime is 12021112123. The reversal of 12021112102 is 20121112021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103774 + ... + 186577.

It is an arithmetic number, because the mean of its divisors is an integer number (1142825472).

Almost surely, 2^12021112102 is an apocalyptic number.

12021112102 is a deficient number, since it is larger than the sum of its proper divisors (6264095450).

12021112102 is a wasteful number, since it uses less digits than its factorization.

12021112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290643.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12021112102 its reverse (20121112021), we get a palindrome (32142224123).

The spelling of 12021112102 in words is "twelve billion, twenty-one million, one hundred twelve thousand, one hundred two".