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212202011211112 = 231319107389681787
BaseRepresentation
bin110000001111111100100001…
…011111111011010101101000
31000211100022111000102221211201
4300033330201133323111220
5210303204204332223422
62031152131432533544
762461042441311346
oct6017744137732550
91024308430387751
10212202011211112
1161683405262a9a
121b9722082512b4
13915374386bb80
143a588bc85a996
15197ecdbcad727
hexc0ff217fb568

212202011211112 has 32 divisors (see below), whose sum is σ = 451036663509600. Its totient is φ = 92784685063104.

The previous prime is 212202011211097. The next prime is 212202011211167. The reversal of 212202011211112 is 211112110202212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 212202011211112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53694838918 + ... + 53694842869.

It is an arithmetic number, because the mean of its divisors is an integer number (14094895734675).

Almost surely, 2212202011211112 is an apocalyptic number.

It is an amenable number.

212202011211112 is an abundant number, since it is smaller than the sum of its proper divisors (238834652298488).

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

212202011211112 is a wasteful number, since it uses less digits than its factorization.

212202011211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107389681825 (or 107389681821 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212202011211112 its reverse (211112110202212), we get a palindrome (423314121413324).

The spelling of 212202011211112 in words is "two hundred twelve trillion, two hundred two billion, eleven million, two hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 13 19 26 38 52 76 104 152 247 494 988 1976 107389681787 214779363574 429558727148 859117454296 1396065863231 2040403953953 2792131726462 4080807907906 5584263452924 8161615815812 11168526905848 16323231631624 26525251401389 53050502802778 106101005605556 212202011211112