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20211202211012 = 2215683322183291
BaseRepresentation
bin1001001100001110010011…
…00001110011110011000100
32122120011122102200110202022
410212013021201303303010
510122120020231223022
6110552521554302312
74154132301135131
oct446071141636304
978504572613668
1020211202211012
11649258281a16a
122325096887998
13b37ba63aa027
144dc328009588
15250b169ddc42
hex1261c9873cc4

20211202211012 has 12 divisors (see below), whose sum is σ = 35371859262096. Its totient is φ = 10104956707560.

The previous prime is 20211202211003. The next prime is 20211202211017. The reversal of 20211202211012 is 21011220211202.

It is a super-3 number, since 3×202112022110123 (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20211202211017) 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, 161028914 + ... + 161154377.

It is an arithmetic number, because the mean of its divisors is an integer number (2947654938508).

Almost surely, 220211202211012 is an apocalyptic number.

It is an amenable number.

20211202211012 is a deficient number, since it is larger than the sum of its proper divisors (15160657051084).

20211202211012 is a wasteful number, since it uses less digits than its factorization.

20211202211012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322198978 (or 322198976 counting only the distinct ones).

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

Adding to 20211202211012 its reverse (21011220211202), we get a palindrome (41222422422214).

The spelling of 20211202211012 in words is "twenty trillion, two hundred eleven billion, two hundred two million, two hundred eleven thousand, twelve".

Divisors: 1 2 4 15683 31366 62732 322183291 644366582 1288733164 5052800552753 10105601105506 20211202211012