12212122111002 has 40 divisors (see below), whose sum is σ = 29851854053472. Its totient is φ = 3700643063400.

The previous prime is 12212122110959. The next prime is 12212122111031. The reversal of 12212122111002 is 20011122121221.

12212122111002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3426519574 + ... + 3426523137.

Almost surely, 2^{12212122111002} is an apocalyptic number.

12212122111002 is an abundant number, since it is smaller than the sum of its proper divisors (17639731942470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12212122111002 is a wasteful number, since it uses less digits than its factorization.

12212122111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6853042736 (or 6853042727 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12212122111002 its reverse (20011122121221), we get a palindrome (32223244232223).

The spelling of 12212122111002 in words is "twelve trillion, two hundred twelve billion, one hundred twenty-two million, one hundred eleven thousand, two".