212012112100220 has 12 divisors (see below), whose sum is σ = 445225435410504. Its totient is φ = 84804844840080.

The previous prime is 212012112100183. The next prime is 212012112100241. The reversal of 212012112100220 is 22001211210212.

212012112100220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5300302802486 + ... + 5300302802525.

It is an arithmetic number, because the mean of its divisors is an integer number (37102119617542).

Almost surely, 2^{212012112100220} is an apocalyptic number.

212012112100220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212012112100220 is an abundant number, since it is smaller than the sum of its proper divisors (233213323310284).

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

212012112100220 is a wasteful number, since it uses less digits than its factorization.

212012112100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10600605605020 (or 10600605605018 counting only the distinct ones).

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

Adding to 212012112100220 its reverse (22001211210212), we get a palindrome (234013323310432).

The spelling of 212012112100220 in words is "two hundred twelve trillion, twelve billion, one hundred twelve million, one hundred thousand, two hundred twenty".