1212222102002 has 16 divisors (see below), whose sum is σ = 1881677208960. Its totient is φ = 585010652688.

The previous prime is 1212222102001. The next prime is 1212222102011. The reversal of 1212222102002 is 2002012222121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1212222102001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3400508 + ... + 3740039.

It is an arithmetic number, because the mean of its divisors is an integer number (117604825560).

Almost surely, 2^{1212222102002} is an apocalyptic number.

1212222102002 is a deficient number, since it is larger than the sum of its proper divisors (669455106958).

1212222102002 is a wasteful number, since it uses less digits than its factorization.

1212222102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7143505.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1212222102002 its reverse (2002012222121), we get a palindrome (3214234324123).

The spelling of 1212222102002 in words is "one trillion, two hundred twelve billion, two hundred twenty-two million, one hundred two thousand, two".