1212233011122 has 64 divisors (see below), whose sum is σ = 2869628166144. Its totient is φ = 334208642880.

The previous prime is 1212233011117. The next prime is 1212233011123. The reversal of 1212233011122 is 2211103322121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1212233011123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4184493 + ... + 4464800.

It is an arithmetic number, because the mean of its divisors is an integer number (44837940096).

Almost surely, 2^{1212233011122} is an apocalyptic number.

1212233011122 is an abundant number, since it is smaller than the sum of its proper divisors (1657395155022).

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

1212233011122 is a wasteful number, since it uses less digits than its factorization.

1212233011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8649423.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1212233011122 its reverse (2211103322121), we get a palindrome (3423336333243).

The spelling of 1212233011122 in words is "one trillion, two hundred twelve billion, two hundred thirty-three million, eleven thousand, one hundred twenty-two".