20102212120000 has 70 divisors (see below), whose sum is σ = 49846952937848. Its totient is φ = 8040884832000.

The previous prime is 20102212119949. The next prime is 20102212120021. The reversal of 20102212120000 is 2121220102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 251237652 + ... + 251317651.

Almost surely, 2^{20102212120000} is an apocalyptic number.

20102212120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102212120000 is an abundant number, since it is smaller than the sum of its proper divisors (29744740817848).

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

20102212120000 is an frugal number, since it uses more digits than its factorization.

20102212120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502555335 (or 502555310 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20102212120000 its reverse (2121220102), we get a palindrome (20104333340102).

The spelling of 20102212120000 in words is "twenty trillion, one hundred two billion, two hundred twelve million, one hundred twenty thousand".