212020122111220 has 48 divisors (see below), whose sum is σ = 446058565279488. Its totient is φ = 84652578657920.

The previous prime is 212020122111199. The next prime is 212020122111233. The reversal of 212020122111220 is 22111221020212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199978110 + ... + 201035530.

It is an arithmetic number, because the mean of its divisors is an integer number (9292886776656).

Almost surely, 2^{212020122111220} is an apocalyptic number.

212020122111220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212020122111220 is an abundant number, since it is smaller than the sum of its proper divisors (234038443168268).

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

212020122111220 is a wasteful number, since it uses less digits than its factorization.

212020122111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075800 (or 1075798 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212020122111220 its reverse (22111221020212), we get a palindrome (234131343131432).

The spelling of 212020122111220 in words is "two hundred twelve trillion, twenty billion, one hundred twenty-two million, one hundred eleven thousand, two hundred twenty".