1212222022102 has 32 divisors (see below), whose sum is σ = 2355735110400. Its totient is φ = 454320340128.

The previous prime is 1212222022079. The next prime is 1212222022129. The reversal of 1212222022102 is 2012202222121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 1212222022102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175274452 + ... + 175281367.

It is an arithmetic number, because the mean of its divisors is an integer number (73616722200).

Almost surely, 2^{1212222022102} is an apocalyptic number.

1212222022102 is a deficient number, since it is larger than the sum of its proper divisors (1143513088298).

1212222022102 is a wasteful number, since it uses less digits than its factorization.

1212222022102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350555860.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1212222022102 its reverse (2012202222121), we get a palindrome (3224424244223).

The spelling of 1212222022102 in words is "one trillion, two hundred twelve billion, two hundred twenty-two million, twenty-two thousand, one hundred two".