212020021211120 has 40 divisors (see below), whose sum is σ = 492947155133664. Its totient is φ = 84807904257792.

The previous prime is 212020021211083. The next prime is 212020021211129. The reversal of 212020021211120 is 21112120020212.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×212020021211120² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020021211129) 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, 125961302 + ... + 127633418.

Almost surely, 2^{212020021211120} is an apocalyptic number.

212020021211120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212020021211120 is an abundant number, since it is smaller than the sum of its proper divisors (280927133922544).

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

212020021211120 is a wasteful number, since it uses less digits than its factorization.

212020021211120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257097 (or 3257091 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212020021211120 its reverse (21112120020212), we get a palindrome (233132141231332).

The spelling of 212020021211120 in words is "two hundred twelve trillion, twenty billion, twenty-one million, two hundred eleven thousand, one hundred twenty".