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212111210022200 = 23521060556050111
BaseRepresentation
bin110000001110100111111101…
…010100111000010100111000
31000211000122002220222122010222
4300032213331110320110320
5210300212224231202300
62031042313352155212
762451346343040146
oct6016477524702470
91024018086878128
10212111210022200
116164894a369905
121b9586a7098b08
139148002a6b818
143a543473a4596
15197c775422785
hexc0e9fd538538

212111210022200 has 24 divisors (see below), whose sum is σ = 493158563302080. Its totient is φ = 84844484008800.

The previous prime is 212111210022161. The next prime is 212111210022209. The reversal of 212111210022200 is 2220012111212.

212111210022200 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 not an unprimeable number, because it can be changed into a prime (212111210022209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 530278024856 + ... + 530278025255.

It is an arithmetic number, because the mean of its divisors is an integer number (20548273470920).

Almost surely, 2212111210022200 is an apocalyptic number.

212111210022200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212111210022200 is an abundant number, since it is smaller than the sum of its proper divisors (281047353279880).

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

212111210022200 is a wasteful number, since it uses less digits than its factorization.

212111210022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060556050127 (or 1060556050118 counting only the distinct ones).

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

Adding to 212111210022200 its reverse (2220012111212), we get a palindrome (214331222133412).

The spelling of 212111210022200 in words is "two hundred twelve trillion, one hundred eleven billion, two hundred ten million, twenty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1060556050111 2121112100222 4242224200444 5302780250555 8484448400888 10605560501110 21211121002220 26513901252775 42422242004440 53027802505550 106055605011100 212111210022200