1222102021012 has 24 divisors (see below), whose sum is σ = 2145730991040. Its totient is φ = 609036346560.

The previous prime is 1222102020967. The next prime is 1222102021013. The reversal of 1222102021012 is 2101202012221.

It is a happy number.

It is a super-2 number, since 2×1222102021012² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222102021013) 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, 18648439 + ... + 18713857.

It is an arithmetic number, because the mean of its divisors is an integer number (89405457960).

Almost surely, 2^{1222102021012} is an apocalyptic number.

It is an amenable number.

1222102021012 is a deficient number, since it is larger than the sum of its proper divisors (923628970028).

1222102021012 is a wasteful number, since it uses less digits than its factorization.

1222102021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80751 (or 80749 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1222102021012 its reverse (2101202012221), we get a palindrome (3323304033233).

The spelling of 1222102021012 in words is "one trillion, two hundred twenty-two billion, one hundred two million, twenty-one thousand, twelve".