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2120211213112 = 231982133195119
BaseRepresentation
bin11110110110100110011…
…011111010101100111000
321111200122011110012101101
4132312212123322230320
5234214143032304422
64302002300301144
7306115544646106
oct36664633725470
97450564405341
102120211213112
117481a3a574a3
122a2ab25417b4
13124c204307c5
1474893c96c76
153a2417a4c27
hex1eda66fab38

2120211213112 has 64 divisors (see below), whose sum is σ = 4191805440000. Its totient is φ = 1002589176960.

The previous prime is 2120211213091. The next prime is 2120211213149. The reversal of 2120211213112 is 2113121120212.

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 2120211213112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414182089 + ... + 414187207.

It is an arithmetic number, because the mean of its divisors is an integer number (65496960000).

Almost surely, 22120211213112 is an apocalyptic number.

It is an amenable number.

2120211213112 is a deficient number, since it is larger than the sum of its proper divisors (2071594226888).

2120211213112 is a wasteful number, since it uses less digits than its factorization.

2120211213112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9284 (or 9280 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2120211213112 its reverse (2113121120212), we get a palindrome (4233332333324).

The spelling of 2120211213112 in words is "two trillion, one hundred twenty billion, two hundred eleven million, two hundred thirteen thousand, one hundred twelve".

Divisors: 1 2 4 8 19 38 76 152 821 1642 3284 3319 5119 6568 6638 10238 13276 15599 20476 26552 31198 40952 62396 63061 97261 124792 126122 194522 252244 389044 504488 778088 2724899 4202699 5449798 8405398 10899596 16810796 16989961 21799192 33621592 33979922 51773081 67959844 79851281 103546162 135919688 159702562 207092324 319405124 322809259 414184648 638810248 645618518 1291237036 2582474072 13948757981 27897515962 55795031924 111590063848 265026401639 530052803278 1060105606556 2120211213112