212210000101220 has 48 divisors (see below), whose sum is σ = 486162759450816. Its totient is φ = 77165853552000.

The previous prime is 212210000101199. The next prime is 212210000101241. The reversal of 212210000101220 is 22101000012212.

212210000101220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212210000101199) and next prime (212210000101241).

It is a junction number, because it is equal to n+sod(n) for n = 212210000101195 and 212210000101204.

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, 3156215 + ... + 20841825.

It is an arithmetic number, because the mean of its divisors is an integer number (10128390821892).

Almost surely, 2^{212210000101220} is an apocalyptic number.

212210000101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212210000101220 is an abundant number, since it is smaller than the sum of its proper divisors (273952759349596).

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

212210000101220 is a wasteful number, since it uses less digits than its factorization.

212210000101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17740172 (or 17740170 counting only the distinct ones).

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

Adding to 212210000101220 its reverse (22101000012212), we get a palindrome (234311000113432).

The spelling of 212210000101220 in words is "two hundred twelve trillion, two hundred ten billion, one hundred one thousand, two hundred twenty".