212220111000220 has 96 divisors (see below), whose sum is σ = 454671731279808. Its totient is φ = 83176239624192.

The previous prime is 212220111000203. The next prime is 212220111000239. The reversal of 212220111000220 is 22000111022212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212220111000194 and 212220111000203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3673315254 + ... + 3673373026.

It is an arithmetic number, because the mean of its divisors is an integer number (4736163867498).

Almost surely, 2^{212220111000220} is an apocalyptic number.

212220111000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212220111000220 is an abundant number, since it is smaller than the sum of its proper divisors (242451620279588).

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

212220111000220 is a wasteful number, since it uses less digits than its factorization.

212220111000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62359 (or 62357 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212220111000220 its reverse (22000111022212), we get a palindrome (234220222022432).

The spelling of 212220111000220 in words is "two hundred twelve trillion, two hundred twenty billion, one hundred eleven million, two hundred twenty", and thus it is an aban number.