22012021010012 has 12 divisors (see below), whose sum is σ = 42022949201016. Its totient is φ = 10005464095440.

The previous prime is 22012021009973. The next prime is 22012021010017. The reversal of 22012021010012 is 21001012021022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012021010017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250136602343 + ... + 250136602430.

It is an arithmetic number, because the mean of its divisors is an integer number (3501912433418).

Almost surely, 2^{22012021010012} is an apocalyptic number.

22012021010012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22012021010012 is a deficient number, since it is larger than the sum of its proper divisors (20010928191004).

22012021010012 is a wasteful number, since it uses less digits than its factorization.

22012021010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500273204788 (or 500273204786 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22012021010012 its reverse (21001012021022), we get a palindrome (43013033031034).

The spelling of 22012021010012 in words is "twenty-two trillion, twelve billion, twenty-one million, ten thousand, twelve".