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212001011202012 = 22317666750933501
BaseRepresentation
bin110000001101000001010100…
…111101101111011111011100
31000210122002122222110112202020
4300031001110331233133130
5210241411032331431022
62030515530421100140
762440365455365044
oct6015012475573734
91023562588415666
10212001011202012
116160613aa7219a
121b93b271857650
13913a7c030b646
143a4cc91a28724
151979975b5535c
hexc0d054f6f7dc

212001011202012 has 12 divisors (see below), whose sum is σ = 494669026138056. Its totient is φ = 70667003734000.

The previous prime is 212001011202011. The next prime is 212001011202037. The reversal of 212001011202012 is 210202110100212.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 212001011201982 and 212001011202000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001011202011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8833375466739 + ... + 8833375466762.

It is an arithmetic number, because the mean of its divisors is an integer number (41222418844838).

Almost surely, 2212001011202012 is an apocalyptic number.

It is an amenable number.

212001011202012 is an abundant number, since it is smaller than the sum of its proper divisors (282668014936044).

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

212001011202012 is a wasteful number, since it uses less digits than its factorization.

212001011202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17666750933508 (or 17666750933506 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212001011202012 its reverse (210202110100212), we get a palindrome (422203121302224).

The spelling of 212001011202012 in words is "two hundred twelve trillion, one billion, eleven million, two hundred two thousand, twelve".

Divisors: 1 2 3 4 6 12 17666750933501 35333501867002 53000252800503 70667003734004 106000505601006 212001011202012