101212202120000 has 70 divisors (see below), whose sum is σ = 250973367391098. Its totient is φ = 40484880832000.

The previous prime is 101212202119993. The next prime is 101212202120021. The reversal of 101212202120000 is 21202212101.

It can be written as a sum of positive squares in 5 ways, for example, as 55980443712064 + 45231758407936 = 7482008^2 + 6725456^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1265112527 + ... + 1265192526.

Almost surely, 2^{101212202120000} is an apocalyptic number.

101212202120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101212202120000 is an abundant number, since it is smaller than the sum of its proper divisors (149761165271098).

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

101212202120000 is an frugal number, since it uses more digits than its factorization.

101212202120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530305085 (or 2530305060 counting only the distinct ones).

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

Adding to 101212202120000 its reverse (21202212101), we get a palindrome (101233404332101).

The spelling of 101212202120000 in words is "one hundred one trillion, two hundred twelve billion, two hundred two million, one hundred twenty thousand".